Diagnostic Routines
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Engagement Concerns: No Forward in D
| Possible Component | Reference/Action | |
|---|---|---|
| 201 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid filter and seal assembly - plugged, damaged | INSTALL a new filter assembly. | |
| Selector Lever Linkage | ||
| Selector lever linkage - damage or incorrectly adjusted | INSPECT and REPAIR as required. VERIFY transmission selector lever cable adjustment. REFER to Automatic Transmission External Controls . ADJUST transmission selector lever cable as necessary. | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control molded leadframe or SSA. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the SSA terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective manual valve | INSPECT manual valve linkage. | |
| Defective clutch (A) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Front pump adapter seal - cracked, leaking or damaged | INSTALL a new front pump adapter seal. | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Low One-Way Clutch (OWC) assembly - failure | INSPECT the OWC assembly for damage. The OWC must rotate counterclockwise and lock clockwise. INSTALL a new OWC. REFER to Transmission | |
| Pump | ||
| Pump gear - failure Torque converter pressure regulator valve - stuck |
PERFORM the front pump output test. REFER to Special Testing Procedures INSPECT for a stuck torque converter pressure regulator valve. REFER to Special Testing Procedures . |
|
Engagement Concerns: No Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 202 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control leadframe or SSB. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the shift solenoid terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Pump | ||
| Pump gear - failure | INSTALL a new pump assembly. REFER to Pump Assembly . | |
Engagement Concerns: Harsh Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 203 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Driveline | ||
| Engine driveline looseness in the driveshaft, U-joints or the engine mounts | REPAIR as required. | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control leadframe or SSB. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the shift solenoid terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
Engagement Concerns: Harsh Forward
| Possible Component | Reference/Action | |
|---|---|---|
| 204 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Driveline | ||
| Engine driveline looseness in the driveshaft, U-joints or the engine mounts | REPAIR as required. | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control leadframe or SSA. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the shift solenoid terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective clutch (A) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control | |
| Defective clutch (A) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (A) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
Engagement Concerns: Delayed/Soft Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 205 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid filter and seal assembly - plugged, damaged | INSTALL a new filter assembly. | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control leadframe or SSB. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the shift solenoid terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Front pump adapter seal - cracked, leaking or damaged | INSTALL a new front pump adapter seal. | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Pump Assembly | ||
| Gear Delayed park to reverse or forward |
INSPECT for damage. REPLACE as required. VERIFY pump output, REFER to Special Testing Procedures |
|
Engagement Concerns: Delayed/Soft Forward
| Possible Component | Reference/Action | |
|---|---|---|
| 206 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid filter and seal assembly - plugged, damaged | INSTALL a new filter assembly. | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control leadframe or a defective SSA. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . INSPECT and CLEAN the shift solenoid terminals on the mechatronic leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Main Control | ||
| Defective clutch (A) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Front pump adapter seal - cracked, leaking or damaged | INSTALL a new front pump adapter seal. | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Pump Assembly | ||
| Gear Delayed park to reverse or forward |
INSPECT for damage. REPLACE as required. VERIFY pump output, REFER to Special Testing Procedures . |
|
Engagement Concerns: No Forward and No Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 207 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Selector Lever Linkage (Internal/External) | ||
| Damaged, out of adjustment | INSPECT for damage, repair as required. | |
| Transmission Filter and Seal Assembly | ||
| Not seated, damaged or plugged Pump adapter Seal |
INSPECT for position, damage and restriction. INSTALL a new filter and seal assembly. INSPECT for crack or damage. INSTALL new as required. |
|
| Main Controls | ||
| Manual Valve Mounting bolt torque Solenoid Pressure Regulator Valve |
INSPECT for damage. Replace as required. INSPECT for loose main control to transmission bolts. Tighten to specification. INSPECT for valve stuck in spring compressed position or broken spring. CLEAN or REPLACE main control as required. Main Control |
|
| Pump Assembly | ||
| Gear Sun gear hub/splines |
INSPECT for damage. REPLACE as required. INSPECT for damage. REPLACE as required. |
|
| Other Possible Components | ||
| Turbine shaft Front planetary gear set Forward clutch drum Output shaft/ring gear |
INSPECT for damage. REPAIR as required. INSPECT for damage. REPAIR as required. INSPECT for damage. REPAIR as required. INSPECT for damage. REPAIR as required. |
|
Engagement Concerns: Harsh Forward and Harsh Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 208 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid filter and seal assembly - plugged, damaged | INSTALL a new filter assembly. | |
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses, main control molded leadframe, Transmission Range (TR) sensor, SSA or LPC | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . If engine control DTCs return, REFER to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . | |
| Multiple shift missing (more than one gear) | If some shifts are missing, DETERMINE which shifts do not occur. REFER to Clutch and Solenoid Application Charts in this article. MONITOR appropriate PIDs as listed in Diagnostic Parameters Identification (PID) Chart. REFER to Routine 210. | |
| Gears 4-6 default to 5th gear and gears 1-3 default to 3rd gear | RETRIEVE DTCs. | |
Engagement Concerns: Delayed Forward and Delayed Reverse
| Possible Component | Reference/Action | |
|---|---|---|
| 209 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses or molded leadframe | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. INSPECT and CLEAN the shift solenoid terminals on the molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
|---|---|---|
| Main Control | ||
| Front pump adapter seal - cracked, leaking or damaged | INSTALL a new front pump adapter seal. | |
Shift Concerns: Some/All Shifts Missing
| Possible Component | Reference/Action | |
|---|---|---|
| 210 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Selector Lever Linkage Damaged or Incorrectly Adjusted | ||
| Selector lever cable | INSPECT and REPAIR as required. VERIFY selector lever cable adjustment. REFER to Automatic Transmission External Controls . ADJUST selector lever cable as necessary. | |
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses, main control molded leadframe, Transmission Range (TR) sensor, SSA or LPC | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . If engine control DTCs return, REFER to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . | |
| Multiple shift missing (more than one gear) | If some shifts are missing, DETERMINE which shifts do not occur. REFER to clutch and solenoid application charts in this article. MONITOR appropriate PIDs as listed in Diagnostic Parameters Identification (PID) Chart. | |
| Main Control | ||
| Leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (A) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (A) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (E) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (E) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure or Low One-Way Clutch (OWC) assembly - failure | For 1st, 2nd, 3rd or 4th gear concerns, INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . For the One-Way Clutch (OWC), INSPECT for damage. One-Way Clutch (OWC) must rotate counterclockwise and lock clockwise. REFER to Transmission . | |
| Direct clutch (B) friction and steel plate - failure | For 3rd or 5th gear concerns, INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | For 2nd or 6th gear concerns, INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
| Overdrive clutch (E) assembly - failure | For 4th, 5th or 6th gear concerns, INSPECT the overdrive clutch for damage. INSTALL a new overdrive clutch. REFER to Overdrive Clutch Assembly . | |
Shift Concerns: Timing - Early/Late
| Possible Component | Reference/Action | |
|---|---|---|
| 211 - ROUTINE | ||
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses or main control molded leadframe | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If engine control DTCs return, REFER to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . | |
| Engine driveability concerns | REFER to Engine System General Information . | |
| Main Control | ||
| Bolts not tightened to specification | TIGHTEN to specification. | |
| Main control unit contaminated, solenoid (s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | REFER to Main Control . | |
| Incorrect Pressures | ||
| Application pressures are incorrect | Incorrect application pressures may be due to non-transmission components, main control assembly or internal transmission damage. REPAIR all non-transmission components then continue with this routine. | |
| Other | ||
| Tire size change, axle ratio change | VERIFY the vehicle has the original equipment. REFER to the certification label. Changes in tire size and axle ratio affect shift timing. | |
Shift Concerns: Timing - Erratic/Hunting
| Possible Component | Reference/Action | |
|---|---|---|
| 212 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Condition | CARRY OUT the fluid level check in Transmission Fluid Level Check . | |
| Transmission fluid over temperature condition | REFER to Routine 257 Transmission Overheating. | |
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses or main control leadframe | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If engine control DTCs return, REFER to Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) . | |
| Torque Converter Concerns | ||
| Torque converter | REFER to torque converter operation concern: Cycling/Chatter. | |
Feel Concerns: Soft/Slipping (Some or All)
| Possible Component | Reference/Action | |
|---|---|---|
| 213 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses, main control molded leadframe or TFT sensor. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test B . | |
| Main Control | ||
| Main control molded leadframe | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Front pump adapter seal - cracked, leaking or damaged | INSTALL a new front pump adapter seal. | |
| Bolts not tightened to specification | TIGHTEN to specification. | |
| Main control contaminated, solenoid (s) damaged, stuck or bore damaged. Manual valve damaged, stick or bore damaged | INSPECT for damage. If damaged, INSTALL a new main control assembly. REFER to Main Control . | |
Feel Concerns: Harsh (Some or All)
| Possible Component | Reference/Action | |
|---|---|---|
| 214 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Powertrain Control System | ||
| PCM electrical inputs/outputs, external vehicle wiring harnesses, main control molded leadframe or solenoid body information does not match PCM information | If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF(KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and CHECK for DTCs. If solenoid body and PCM information does not match, REPROGRAM the PCM with the latest calibration. PERFORM the Solenoid Body Strategy Data Download. REFER to Solenoid Body Strategy . PERFORM Road Test - Adaptive Drive Cycle, REFER to Shift Point Road Test . ROAD TEST and CHECK for DTCs. | |
| Main Control | ||
| Bolts not tightened to specification | TIGHTEN bolts to specification. | |
| Main control contaminated, solenoid (s) damaged, solenoids stuck or bore damaged | INSPECT for damage. If damaged, INSTALL a new main control assembly. REFER to Main Control . | |
| Manual valve damaged, stuck or bore damaged | INSPECT for damage. If damaged, INSTALL a new main control assembly. REFER to Main Control . | |
Feel Concerns: No 1st Gear, Engages in a Higher Gear
| Possible Component | Reference/Action | |
|---|---|---|
| 215 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses or main control molded leadframe | If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF(KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and CHECK for DTCs. | |
| Clutch Plates | ||
| Low One-Way Clutch (OWC) assembly - failure | INSPECT the OWC assembly for damage. The OWC must rotate counterclockwise and lock clockwise. INSTALL a new OWC. REFER to Transmission . | |
| Incorrect Gear | ||
| Transmission failure | DETERMINE which gear the transmission is in. REFER to the Clutch and Solenoid Application Charts in this article. | |
Feel Concerns: No Manual 1st Gear
| Possible Component | Reference/Action | |
|---|---|---|
| 216 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Selector Lever Linkage | ||
| Selector lever cable system - damaged, misaligned | INSPECT and REPAIR as necessary. VERIFY selector lever cable adjustment. REFER to Automatic Transmission External Controls . | |
| Powertrain Control System | ||
| PCM, external vehicle harness, main control molded leadframe or Shift Solenoid A(SSA). | If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF(KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and Manual for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination. REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Low/reverse clutch (D) friction and steel plate - failure | INSPECT the low/reverse clutch assembly for damage. REPAIR as required. REFER to Low/Reverse Clutch Assembly . | |
| Low One-Way Clutch (OWC) assembly - failure | If no 1st gear above 3 mph, INSPECT the OWC assembly for damage. The OWC must rotate counterclockwise and lock clockwise. INSTALL a new OWC. REFER to Transmission . | |
| Pump | ||
| Pump gear - failure | INSTALL a new pump assembly. REFER to Pump Assembly . | |
Feel Concerns: No Manual 2nd Gear
| Possible Component | Reference/Action | |
|---|---|---|
| 217 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. | |
| Selector Lever Linkage | ||
| Selector lever cable system - damaged, misaligned | INSPECT and REPAIR as necessary. VERIFY selector lever cable adjustment. REFER to Automatic Transmission External Controls . | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe or Shift Solenoid A(SSA) | If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF(KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
| Pump | ||
| Pump gear - failure | INSTALL a new pump assembly. REFER to Pump Assembly . | |
Feel Concerns: No Manual 3rd Gear
| Possible Component | Reference/Action | |
|---|---|---|
| 218 - ROUTINE | ||
| Selector Lever Linkage | ||
| Selector lever cable system - damaged, misaligned | INSPECT and REPAIR as necessary. VERIFY selector lever cable adjustment. REFER to Automatic Transmission External Controls . | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe or Shift Solenoid B(SSB). | If DTCs are set, CLEAR the DTCs. CARRY OUT the Key ON Engine OFF(KOEO) and Key ON Engine Running (KOER) self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Pump | ||
| Pump gear - failure | INSTALL a new pump assembly. REFER to Pump Assembly . | |
Feel Concerns: No 1-2 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 220 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe, Shift Solenoid c (SSC) or Shift Solenoid d (SSD). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
| Low/reverse clutch (D) friction and steel plate - failure | INSPECT the low/reverse clutch assembly for damage. REPAIR as required. REFER to Low/Reverse Clutch Assembly . | |
| Low One-Way Clutch (OWC) assembly - failure | INSPECT the OWC assembly for damage. The OWC must rotate counterclockwise and lock clockwise. INSTALL a new OWC. REFER to Transmission . | |
Feel Concerns: No 2-3 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 221 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission fluid filter and seal assembly - plugged, damaged | INSTALL a new transmission fluid filter assembly. REFER to Fluid Pan, Gasket and Filter . | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe, Shift Solenoid B(SSB) or Shift Solenoid c (SSC). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
Feel Concerns: No 3-4 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 222 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe, Shift Solenoid B(SSB), Shift Solenoid d (SSD) or Shift Solenoid e (SSE). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (E) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective solenoid multiplex valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Overdrive clutch (E) friction and steel plate - failure | INSPECT the overdrive clutch assembly for damage. REPAIR as required. REFER to Overdrive Clutch Assembly . | |
Feel Concerns: No 4-3 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 223 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe, Shift Solenoid B(SSB) or Shift Solenoid d (SSD). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (E) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (E) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Solenoid multiplex valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Drive enable valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Overdrive clutch (E) friction and steel plate - failure | INSPECT the overdrive clutch assembly for damage. REPAIR as required. REFER to Overdrive Clutch Assembly . | |
Feel Concerns: No 3-2 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 224 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe, Shift Solenoid B(SSB) or Shift Solenoid c (SSC). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
Feel Concerns: No 2-1 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 225 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe or Shift Solenoid c (SSC). | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (C) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Low/reverse clutch (D) friction and steel plate - failure | INSPECT the low/reverse clutch assembly for damage. REPAIR as required. REFER to Low/Reverse Clutch Assembly . | |
| Low One-Way Clutch (OWC) assembly - failure | INSPECT the OWC assembly for damage. The OWC must rotate counterclockwise and lock clockwise. INSTALL a new OWC. REFER to Transmission . | |
Torque Converter Operation Concerns: No Apply
| Possible Component | Reference/Action | |
|---|---|---|
| 240 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid condition | CHECK transmission fluid condition. REFER to Preliminary Inspection . | |
| Powertrain Control System | ||
| PCM, external vehicle wiring harnesses, main control molded leadframe or Torque Converter Clutch (TCC) solenoid. | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the TCC solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| TCC solenoid contaminated or damaged | INSPECT for damage. If damaged, install a new TCC solenoid. REFER to Shift Solenoids (SS) . | |
| Defective bypass clutch control regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective torque converter release regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Main control assembly bolts - not tightened to specification | TIGHTEN to specification. | |
| Torque Converter | ||
| Torque converter components | REMOVE the transmission. INSPECT for damage. INSTALL a new or remanufactured torque converter. REFER to Transmission - Four Wheel Drive (4WD) or Transmission - Rear Wheel Drive (RWD) . | |
Torque Converter Operation Concerns: Cycling/Chatter
| Possible Component | Reference/Action | |
|---|---|---|
| 241 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid condition | CHECK transmission fluid condition. REFER to Preliminary Inspection . | |
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe, TCC solenoid or TFT sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A for TCC solenoid diagnosis and GO to Pinpoint Test B for TFT sensor diagnosis. | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the TCC solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A to diagnosis the Torque Converter Clutch (TCC) or GO to Pinpoint Test B to diagnosis the Transmission Fluid Temperature (TFT) sensor. | |
| TCC solenoid contaminated or damaged | INSPECT for damage. If damaged, install a new TCC solenoid. REFER to Shift Solenoids (SS) . | |
| Defective bypass clutch control regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Main control assembly bolts - not tightened to specification | TIGHTEN to specification. | |
| Torque Converter | ||
| Torque converter components | REMOVE the transmission. INSPECT for damage. INSTALL a new or remanufactured torque converter. REFER to Transmission - Four Wheel Drive (4WD) or Transmission - Rear Wheel Drive (RWD) . | |
Torque Converter Operation Concerns: Always Applied/Stalls Vehicle
| Possible Component | Reference/Action | |
|---|---|---|
| 242 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid condition | CHECK transmission fluid condition. REFER to Preliminary Inspection . | |
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe, TCC solenoid or TFT sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A for TCC solenoid diagnosis and GO to Pinpoint Test B for TFT sensor diagnosis. | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the TCC solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A to diagnosis the Torque Converter Clutch (TCC) or GO to Pinpoint Test B to diagnosis the Transmission Fluid Temperature (TFT) sensor. | |
| Main control assembly contaminated, solenoid (s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged | INSPECT for damage. If damaged, install a new main control assembly. REFER to Main Control . | |
| Main control assembly bolts - not tightened to specification | TIGHTEN to specification. | |
| Torque Converter | ||
| Torque converter components | REMOVE the transmission. INSPECT for damage. INSTALL a new or remanufactured torque converter. REFER to Transmission - Four Wheel Drive (4WD) or Transmission - Rear Wheel Drive (RWD) . | |
Other Concerns: External Leaks
| Possible Component | Reference/Action | |
|---|---|---|
| 252 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Transmission case vent - damaged, case porosity | REPAIR as necessary. | |
| Leakage at gaskets, seals, electrical connector | REFER to Leakage Inspection , Fluid Leakage in Torque Converter Area and Leak Check Test with A Black Light in this article. REMOVE all traces of lubricant on exposed surface of the transmission. REPAIR as necessary. | |
| Fluid Cooler Tubes | ||
| Cooler tube fittings | LOCATE leak source. REPAIR as required. REFER to Transaxle Transmission Cooling . | |
| Cooler tube O-rings, cooler tubes | LOCATE leak source. REPAIR as required. REFER to Transaxle Transmission Cooling . | |
| Torque Converter | ||
| Torque converter studs | INSTALL a new torque converter. If a new or remanufactured torque converter is installed, use the scan tool and follow the on-screen instructions and perform the Misfire Monitor Neutral Profile Correction procedure. | |
| Torque converter hub seal | INSTALL a new torque converter hub seal. | |
| Torque converter weld | INSTALL a new torque converter. If a new or remanufactured torque converter is installed, use the scan tool and follow the on-screen instructions and perform the Misfire Monitor Neutral Profile Correction procedure. | |
| Transmission Case | ||
| Case - leaking | INSTALL a new transmission case. REFER to Transmission . | |
| Transmission vehicle harness connector | INSTALL a new transmission vehicle harness connector O-ring. | |
| Transmission fluid fill plug | INSTALL a new transmission fluid fill plug. | |
| Output shaft seal | INSTALL a new seal. REFER to Output Shaft Seal . | |
| Manual control lever seal | INSTALL a new seal. | |
| Transmission fluid pan gasket | INSTALL a new gasket. | |
| Fluid Pump | ||
| Fluid pump O-ring | INSTALL a new O-ring. REFER to Pump Assembly . | |
| Fluid pump seal ring | INSTALL a new seal ring. REFER to Pump Assembly . | |
Other Concerns: Noise/Vibration in Forward or Reverse
NOTE:
NVH symptoms should be identified using the diagnostic tools that are available. For a list of these tools, an explanation of their uses and a glossary of common terms, refer to
Noise, Vibration and Harshness
. Since it is possible any one of multiple systems may be the cause of a symptom, it may be necessary to use a process of elimination type of diagnostic approach to pinpoint the responsible system. If this is not the causal system for the symptom, refer back to
Noise, Vibration and Harshness
for the next likely system and continue diagnosis.
| Possible Component | Reference/Action | |
|---|---|---|
| 254 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level (low) pump cavitation | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid Cooler Tubes | ||
| Cooler tubes grounding out | ADJUST or REPOSITION cooler tubes. | |
| Torque Converter | ||
| Check the torque converter components/balance weight | LOCATE source of disturbance. REPAIR as required. If a new or remanufactured torque converter is installed, use the scan tool and follow the on-screen instructions and perform the Misfire Monitor Neutral Profile Correction procedure. | |
| Engine Driveline | ||
| Engine drive accessories | REFER to Engine System General Information . | |
Other Concerns: Engine Will Not Crank
| Possible Component | Reference/Action | |
|---|---|---|
| 255 - ROUTINE | ||
| Selector Lever Cable System | ||
| Selector lever cable system - damaged, misaligned | INSPECT and REPAIR as necessary. REFER to Automatic Transmission External Controls . | |
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, engine starting and charging system, main control molded leadframe or TR sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test C . | |
| Torque Converter | ||
| Flexplate - damaged | REPAIR as necessary. | |
| Vehicle Starter | ||
| Starter system concerns | INSPECT and REPAIR as necessary. REFER to Starting System . | |
| Transmission Range (TR) Sensor Assembly | ||
| TR sensor assembly - damaged | INSPECT and REPAIR as necessary. | |
| Fluid Pump Assembly | ||
| Internal parts seized | REPAIR as necessary. | |
Other Concerns: No Park (P) Range
| Possible Component | Reference/Action | |
|---|---|---|
| 256 - ROUTINE | ||
| Selector Lever Cable | ||
| Selector lever cable system - damaged, misaligned | INSPECT and REPAIR as necessary. REFER to Automatic Transmission External Controls for additional information. | |
| Manual control lever assembly damaged, manual valve inner lever pin bent, manual valve inner lever damaged, spring rod damaged, park pawl pin loose or damaged, park rod actuating plate loose, damaged or missing | INSPECT for damage. REPAIR as necessary. | |
| Transmission case | INSPECT for damage. If damaged, REPAIR as necessary. | |
| Park gear, park pawl, park pawl return spring, part or guide, park actuating rod, park pawl shaft, manual lever | INSPECT for damage. If damaged, REPAIR as necessary. | |
| External linkages/brackets - damaged | INSPECT for damage. REPAIR as necessary. | |
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe or TR sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test C . | |
| Transmission Range (TR) Sensor Assembly Damaged | ||
| Manual lever detent spring | INSPECT for damage. REPAIR as necessary. | |
| TR sensor assembly | INSTALL a new main control assembly. REFER to Main Control . | |
Other Concerns: Transmission Overheating
| Possible Component | Reference/Action | |
|---|---|---|
| 257 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Fluid condition | CHECK transmission fluid condition. REFER to Preliminary Inspection . | |
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe, TCC solenoid or TFT sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A for TCC solenoid diagnosis and GO to Pinpoint Test B for TFT sensor diagnosis. | |
| Torque Converter Not Engaging | ||
| Torque converter | INSTALL a new torque converter. If a new or remanufactured torque converter is installed, use the scan tool and follow the on-screen instructions and perform the Misfire Monitor Neutral Profile Correction procedure. | |
| Case Vent Damaged | ||
| Transmission case | INSPECT for damage. If damaged, REPAIR as necessary. | |
| Other | ||
| Restriction in transmission cooling system | CHECK transmission cooling system efficiency. REFER to Transaxle Transmission Cooling for automatic transmission cooling system diagnostic procedures. | |
| Excessive trailer tow load | REFER to the Owner's Literature for specifications on trailer towing. | |
| Vehicle heat shield - missing or damaged | INSPECT for damage. REPAIR as necessary. | |
| Vehicle airflow is restricted | INSPECT for damage. REPAIR as necessary. | |
| Thermal bypass valve - missing or damaged | INSPECT for damage. REPAIR as necessary. REFER to Main Control . | |
Other Concerns: Fluid Venting/Foaming
| Possible Component | Reference/Action | |
|---|---|---|
| 261 - ROUTINE | ||
| Transmission Fluid | ||
| Incorrect level | CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to Transmission Fluid Level Check . | |
| Case Vent Damaged | ||
| Transmission case | INSPECT for damage. If damaged, REPAIR as necessary. | |
Feel Concerns: Shift Concerns: No 4-5 Shift
| Possible Component | Reference/Action | |
|---|---|---|
| 270 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe, SSA solenoid or SSB sensor | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (A) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (A) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
Feel Concerns: No 5-4 Shift (Automatic)
| Possible Component | Reference/Action | |
|---|---|---|
| 271 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe or SSB | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (A) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Forward clutch (A) friction and steel plate - failure | INSPECT the forward clutch assembly for damage. REPAIR as required. REFER to Forward Clutch Assembly . | |
Feel Concerns: No 5-6 Shift (Automatic)
| Possible Component | Reference/Action | |
|---|---|---|
| 272 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control molded leadframe, SSB or SSC | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |
Feel Concerns: No 6-5 Shift (Automatic)
| Possible Component | Reference/Action | |
|---|---|---|
| 273 - ROUTINE | ||
| Powertrain Control System | ||
| PCM, vehicle wiring harnesses, main control leadframe or SSC | If DTCs are set, CLEAR the DTCs. CARRY OUT the KOEO and KOER self-test. ROAD TEST the vehicle and CHECK for DTCs. If the DTCs return, GO to Pinpoint Test A . | |
| Main Control | ||
| Molded leadframe - contamination | REMOVE the main control assembly, REFER to Main Control . INSPECT and CLEAN the shift solenoid terminals on the main control molded leadframe for metallic contamination, REFER to Shift Solenoids (SS) . INSTALL the main control assembly. CLEAR the DTCs. ROAD TEST the vehicle. If the symptom returns, GO to Pinpoint Test A . | |
| Defective clutch (B) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (B) latch valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Defective clutch (C) regulator valve | INSPECT main control assembly for stuck valves or contamination. REFER to Main Control . | |
| Clutch Plates | ||
| Direct clutch (B) friction and steel plate - failure | INSPECT the direct clutch assembly for damage. REPAIR as required. REFER to Direct Clutch Assembly . | |
| Intermediate clutch (C) friction and steel plate - failure | INSPECT the intermediate clutch assembly for damage. REPAIR as required. REFER to Intermediate Clutch Assembly . | |