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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Automatic Transmission - 6R140 (TORQSHIFT-R-6)) >> Diagnosis & Testing >> Diagnosis By Symptom >> Diagnostic Routines

Diagnostic Routines

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
ENGAGEMENT CONCERNS: NO FORWARD

Possible Component Reference/Action
201 - ROUTINE 
Transmission Fluid   
  • Incorrect level
  • CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
Selector Lever Linkage   
  • Selector lever linkage - damage or incorrectly adjusted
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA) or Shift Solenoid E (SSE)
  • DISCONNECT the transmission harness connector and retest. If the concern is still present, proceed to MAIN CONTROL INSPECTION . If the concern is resolved, CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Pump   
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
Main Control   
  • Defective manual valve
  • Inspect connection to shift linkage.
  • Defective forward (1, 2, 3, 4) clutch regulator or latch valves
  • Defective overdrive (4, 5, 6) clutch regulator or latch valves
Clutch Plates   
  • Forward (1, 2, 3, 4) clutch friction and steel plate - failure
  • Overdrive (4, 5, 6) clutch friction and steel plate - failure
  • INSPECT the overdrive (4, 5, 6) clutch assembly for damage.
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 PRELIMINARY INSPECTION .
Selector Lever Linkage   
  • Selector lever linkage - damage or incorrectly adjusted
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid D (SSD)
  • DISCONNECT the transmission harness connector and retest. If the concern is still present, proceed to MAIN CONTROL INSPECTION . If the concern is resolved, CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Pump   
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
Main Control   
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch latch valve
Clutch Plates   
  • Direct (3, 5, R) clutch or low/reverse (1, R) clutch friction and steel plate - failure
  • INSPECT the direct clutch and/or the low/reverse assembly for damage.
ENGAGEMENT CONCERNS: HARSH REVERSE

Possible Component Reference/Action
203 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid D (SSD)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch latch valve
Driveline   
  • Engine driveline looseness in the driveshaft, U-joints or the engine mounts
  • REPAIR as required.
ENGAGEMENT CONCERNS: HARSH FORWARD

Possible Component Reference/Action
204 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective forward (1, 2, 3, 4) clutch regulator valve
  • Defective forward (1, 2, 3, 4) clutch latch valve
Driveline   
  • Engine driveline looseness in the driveshaft, U-joints or the engine mounts
  • REPAIR as required.
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 PRELIMINARY INSPECTION .
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid D (SSD)
  • DISCONNECT the transmission harness connector and retest. If the concern is still present, proceed to MAIN CONTROL INSPECTION . If the concern is resolved, CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Pump   
  • Fluid filter and seal assembly - plugged, damaged
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new filter assembly.
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
Main Control   
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch or low/reverse (1, R) clutch latch valve
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 PRELIMINARY INSPECTION .
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA)
  • DISCONNECT the transmission harness connector and retest. If the concern is still present, proceed to MAIN CONTROL INSPECTION . If the concern is resolved, CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Pump   
  • Fluid filter and seal assembly - plugged, damaged
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new filter assembly.
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
Main Control   
  • Defective forward (1, 2, 3, 4) clutch regulator valve
  • Defective forward (1, 2, 3, 4) clutch latch valve
ENGAGEMENT CONCERNS: NO FORWARD & 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 PRELIMINARY INSPECTION .
Selector Lever Linkage (Internal/External)   
  • Damaged, out of adjustment
Incorrect Pressures   
  • Line pressure - low
Transmission Filter and Seal Assembly   
  • Not seated, damaged or plugged
  • Inspect for position, damage and restriction. Install a new filter and seal assembly.
  • Pump Adapter Seal
  • Inspect for crack or damage. Install new as required.
Main Controls   
  • Manual Valve
  • Inspect for damage. Replace as required.
  • Mounting bolt torque
  • Inspect for loose main control to transmission bolts. Tighten to specification.
  • Solonoid Pressure Regulator Valve
  • Inspect for valve stuck in spring compressed position or broken spring. Clean or replace main control as required.
Pump Assembly   
  • Gear
  • Inspect for damage. Replace as required.
  • Sun gear hub/splines
  • Inspect for damage. Replace as required.
Other Possible Components   
  • Turbine shaft
  • Inspect for damage. Repair as required.
  • Front planetary gear set
  • Inspect for damage. Repair as required.
  • Forward/Direct clutch drum
  • Inspect for damage. Repair as required.
  • Output shaft/ring gear
  • Inspect for damage. Repair as required.
ENGAGEMENT CONCERNS: HARSH FORWARD & HARSH REVERSE

Possible Component Reference/Action
208 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA), Shift Solenoid D (SSD) or Pressure Control Solenoid A (PCA)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
  • Default to 5th gear
  • RETRIEVE DTCs.
ENGAGEMENT CONCERNS: DELAYED FORWARD & 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 PRELIMINARY INSPECTION .
Pump   
  • Transmission fluid filter and seal assembly - plugged, damaged
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new transmission fluid filter assembly.
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
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 PRELIMINARY INSPECTION .
  • Transmission fluid filter and seal assembly - plugged, damaged
  • INSTALL a new transmission fluid filter assembly.
Selector Lever Linkage Damaged or Incorrectly Adjusted   
  • Selector lever cable
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA) or Pressure Control Solenoid A (PCA)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
  • 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 . MONITOR appropriate PIDs as listed in diagnostics.
  • Default to 5th gear
  • RETRIEVE DTCs.
SHIFT CONCERNS: TIMING - EARLY/LATE

Possible Component Reference/Action
211 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. TEST the vehicle system for normal operation.
  • Engine driveability concerns
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
  • INSPECT for damage and/or contamination.
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 that the vehicle has the original equipment. REFER to the certification label. Changes in tire size and axle ratio will affect shift timing. Vehicles equipped with a TCM may set DTC P1635.
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 PRELIMINARY INSPECTION .
  • Transmission fluid over temperature condition
Powertrain Control System   
  • PCM electrical inputs/outputs, Transmission Control Module (TCM), external vehicle wiring harnesses
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. TEST the vehicle system for normal operation.
Torque Converter Concerns   
  • Torque Converter Clutch (TCC)
SHIFT 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 PRELIMINARY INSPECTION .
  • Transmission fluid filter and seal assembly - plugged, damaged
  • INSTALL a new transmission fluid filter assembly.
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, or Transmission Fluid Temperature (TFT)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST B . For diesel engines GO to PINPOINT TEST G . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Pump   
  • Transmission fluid filter and seal assembly - plugged, damaged
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new transmission fluid filter assembly.
  • Pump gear - failure
  • VERIFY line pressure. If line pressure is below specification, INSTALL a new pump assembly. REFER to TRANSMISSION - OVERHAUL .
Main Control   
  • 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 and/or contamination.
SHIFT CONCERNS: HARSH (SOME OR ALL)

Possible Component Reference/Action
214 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS), Output Shaft Speed (OSS) or Transmission Fluid Temperature (TFT)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. READ and RECORD the DTC(s). Go to the appropriate PINPOINT TEST  for that DTC. REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Main control contaminated, solenoid(s) damaged, solenoids stuck or bore damaged
  • INSPECT for damage and/or contamination.
  • Manual valve damaged, stuck or bore damaged
  • INSPECT for damage and/or contamination.
SHIFT CONCERNS: NO 1ST GEAR, ENGAGES IN HIGHER GEAR

Possible Component Reference/Action
215 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA), Shift Solenoid B (SSB), Shift Solenoid C (SSC), Shift Solenoid D (SSD), Shift Solenoid E (SSE), Pressure Control Solenoid A (PCA), Turbine Shaft Speed (TSS) or Output Shaft Speed (OSS)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. READ and RECORD the DTC(s). Go to the appropriate PINPOINT TEST  for that DTC. REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Incorrect Gear   
  • Main control failure
  • DETERMINE which gear the transmission is in. Using the scan tool, MONITOR GEAR, GEAR RAT AND TRAN_RAT PIDS.
Clutch Plates   
  • Forward (1, 2, 3, 4) clutch friction and steel plate - failure
  • INSPECT the forward (1, 2, 3, 4) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
SHIFT 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 PRELIMINARY INSPECTION .
  • Transmission fluid filter and seal assembly - plugged, damaged
  • INSTALL a new transmission fluid filter assembly.
Selector Lever Linkage   
  • Selector lever cable system - damaged, misadjusted
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, or Shift Solenoid A (SSA)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Clutch Plates   
  • Low/reverse (1, R) clutch friction and steel plate - failure
  • INSPECT the low/reverse (1, R) clutch assembly for damage. REPAIR as required.
SHIFT CONCERNS: NO 1-2 SHIFT (AUTOMATIC)

Possible Component Reference/Action
220 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Shift Solenoid C (SSC)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective intermediate (2, 6) clutch regulator valve
Clutch Plates   
  • Intermediate (2, 6) clutch friction and steel plate - failure
SHIFT CONCERNS: NO 2-3 SHIFT (AUTOMATIC)

Possible Component Reference/Action
221 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid C (SSC)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch regulator valve
  • Defective intermediate (2, 6) clutch latch valve
  • Defective intermediate (2, 6) clutch regulator valve
Clutch Plates   
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • PERFORM Air Pressure Test on direct (3, 5, R) clutch. REFER to SPECIAL TESTING PROCEDURES . INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
  • Intermediate (2, 6) clutch friction and steel plate - failure
  • INSPECT the intermediate (2, 6) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
SHIFT CONCERNS: NO 3-4 SHIFT (AUTOMATIC)

Possible Component Reference/Action
222 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid E (SSE)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch latch valve
  • Defective Overdrive (4, 5, 6,) clutch regulator valve
Clutch Plates   
  • Direct (3, 4, 5) clutch friction and steel plate - failure
  • INSPECT the direct (3, 4, 5) clutch assembly for damage. REPAIR as required.
  • Overdrive (4, 5, 6) clutch friction and steel plate - failure
SHIFT CONCERNS: NO 4-3 SHIFT (AUTOMATIC)

Possible Component Reference/Action
223 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid E (SSE)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective overdrive (4, 5, 6) clutch regulator valve
  • Defective overdrive (4, 5, 6) clutch latch valve
  • Defective direct (3, 5, R) clutch latch valve
Clutch Plates   
  • Overdrive (4, 5, 6) clutch friction and steel plate - failure
  • INSPECT the Overdrive (4, 5, 6) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • PERFORM Air Pressure Test on the direct (3, 5, R) clutch. REFER to SPECIAL TESTING PROCEDURES . INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
SHIFT CONCERNS: NO 3-2 SHIFT (AUTOMATIC)

Possible Component Reference/Action
224 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid C (SSC)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch latch valve
  • Defective intermediate (2, 6) clutch regulator valve
Clutch Plates   
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
  • Intermediate (2, 6) clutch friction and steel plate - failure
SHIFT CONCERNS: NO 2-1 SHIFT (AUTOMATIC)

Possible Component Reference/Action
225 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid C (SSC) or Shift Solenoid D (SSD)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective intermediate (2, 6) clutch regulator valve
  • Defective intermediate (2, 6) clutch latch valve
Clutch Plates   
  • Intermediate (2, 6) clutch friction and steel plate - failure
  • INSPECT the intermediate (2, 6) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
TORQUE CONVERTER OPERATION CONCERNS: NO APPLY

Possible Component Reference/Action
240 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Torque Converter Clutch (TCC) solenoid
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Main control contaminated, solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged
  • Defective TCC apply regulator valve
  • Defective TCC charge control valve
  • Main control bolts - not tightened to specification
  • TIGHTEN to specification.
Torque Converter   
  • Torque converter components
TORQUE CONVERTER OPERATION CONCERNS: CYCLING/CHATTER

Possible Component Reference/Action
241 - ROUTINE 
Transmission Fluid   
  • Condition
  • CARRY OUT the transmission fluid level and condition check. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Torque Converter Clutch (TCC) solenoid
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Main control contaminated, solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged
  • Defective TCC apply regulator valve
  • Defective TCC charge control valve
  • Main control bolts - not tightened to specification
  • TIGHTEN to specification.
Torque Converter   
  • Torque converter components
TORQUE CONVERTER OPERATION CONCERNS: ALWAYS APPLIED/STALLS VEHICLE

Possible Component Reference/Action
242 - ROUTINE 
Transmission Fluid   
  • Condition
  • CARRY OUT the transmission fluid level and condition check. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Torque Converter Clutch (TCC) solenoid
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Main control contaminated, solenoid(s) damaged, stuck or bore damaged. Manual valve damaged, stuck or bore damaged
  • Main control bolts - not tightened to specification
  • TIGHTEN to specification.
Torque Converter   
  • Torque converter components
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 PRELIMINARY INSPECTION .
Fluid Cooler Tubes   
  • Cooler tube fittings
  • Cooler tube O-rings, cooler tubes
Torque Converter   
  • Torque converter studs
  • INSTALL a new torque converter.
  • Torque converter hub seal
  • INSTALL a new torque converter hub seal.
  • Torque converter weld
  • INSTALL a new torque converter.
Transmission Case   
  • Transmission vehicle harness connector
  • INSTALL a new transmission vehicle harness connector O-ring.
  • Transmission fluid fill tube
  • INSTALL a new transmission fluid fill tube.
  • Output shaft bushing and seal
  • Manual control lever seal
  • INSTALL a new seal.
  • Transmission fluid pan seal (gasket)
  • Tighten transmission fluid pan-to-case bolts to specification. INSTALL a new seal.
  • Transmission case vent - damaged, case porosity
  • If damaged, REPAIR as necessary.
  • Leakage at gaskets, seals, transmission harness connector
  • Case - leaking
Fluid Pump   
  • Fluid pump O-ring
  • Fluid pump seal ring
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 & 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 & HARSHNESS for the next likely system and continue diagnosis.
OTHER CONCERNS: NOISE/VIBRATION IN FORWARD OR REVERSE

Possible Component Reference/Action
254 - ROUTINE 
Transmission Fluid   
  • Transmission fluid level (low) pump cavitation
  • CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
Fluid Cooler Tubes   
  • Cooler line grounding out
  • ADJUST or REPOSITION cooler tubes.
OTHER CONCERNS: ENGINE WILL NOT CRANK

Possible Component Reference/Action
255 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Transmission Range (TR) sensor
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST C . For diesel engines GO to PINPOINT TEST H . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Selector Lever Cable System   
  • Selector lever cable system - damaged, misaligned
Vehicle Starter   
  • Starting system concerns
Torque Converter   
  • Flexplate - damaged
  • REPAIR as necessary.
Fluid Pump Assembly   
  • Internal parts seized
  • SEPARATE the torque converter from the flexplate and retest. INSPECT for damage. 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.
  • Separate external components from internal components
  • DISCONNECT the selector lever cable from the manual control lever and attempt to place the manual lever into PARK.
  • 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
  • REPAIR as necessary.
  • Transmission case assembly
  • REPAIR as necessary.
  • Park gear, park pawl, park pawl return spring, part or guide, park actuating rod, park pawl shaft, manual lever
  • REPAIR as necessary.
  • External linkages/brackets - damaged
  • REPAIR as necessary.
  • Manual Lever Detent Spring
  • REPAIR as necessary.
OTHER CONCERNS: TRANSMISSION OVERHEATING

Possible Component Reference/Action
257 - ROUTINE 
Transmission Fluid   
  • Incorrect level
  • CHECK the transmission fluid level. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
  • Condition
  • CARRY OUT the transmission fluid level and condition check. ADJUST transmission fluid to correct level. REFER to PRELIMINARY INSPECTION .
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Transmission Fluid Temperature (TFT) sensor
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST B . For diesel engines GO to PINPOINT TEST G . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Torque Converter Not Engaging   
  • Torque converter
  • INSTALL a new torque converter.
Case Vent Damaged   
  • Transmission case assembly
  • 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
  • REPAIR as necessary.
  • Vehicle airflow is restricted
  • REPAIR as necessary.
  • Thermal bypass valve - missing or damaged
  • REPAIR as necessary.
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 PRELIMINARY INSPECTION .
Case Vent Damaged   
  • Transmission case assembly
  • REPAIR as necessary.
SHIFT CONCERNS: NO 4-5 SHIFT (AUTOMATIC)

Possible Component Reference/Action
270 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid A (SSA) or Shift Solenoid B (SSB)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective forward (1, 2, 3, 4) clutch regulator valve
  • Defective forward (1, 2, 3, 4) clutch latch valve
  • Defective direct (3, 5, R) clutch regulator valve
Clutch Plates   
  • Forward (1, 2, 3, 4) clutch friction and steel plate - failure
  • INSPECT the forward (1, 2, 3, 4) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • PERFORM Air Pressure Test on the direct (3, 5, R) clutch. REFER to SPECIAL TESTING PROCEDURES . INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
SHIFT CONCERNS: NO 5-4 SHIFT (AUTOMATIC)

Possible Component Reference/Action
271 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Shift Solenoid B (SSB)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch regulator valve
  • Defective direct (3, 5, R) clutch latch valve
  • Defective forward (1, 2, 3, 4) clutch regulator valve
Clutch Plates   
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
  • Forward (1, 2, 3, 4) clutch friction and steel plate - failure
SHIFT CONCERNS: NO 5-6 SHIFT (AUTOMATIC)

Possible Component Reference/Action
272 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness, Shift Solenoid B (SSB) or Shift Solenoid C (SSC)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 4, 5) clutch regulator valve
  • Defective direct (3, 4, 5) clutch latch valve
  • Defective intermediate (2, 6) clutch regulator valve
Clutch Plates   
  • Direct (3, 4, 5) clutch friction and steel plate - failure
  • INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
  • Intermediate (2, 6) clutch friction and steel plate - failure
SHIFT CONCERNS: NO 6-5 SHIFT (AUTOMATIC)

Possible Component Reference/Action
273 - ROUTINE 
Powertrain Control System   
  • PCM (gasoline engines), Transmission Control Module (TCM) (diesel engines), external vehicle harness, transmission internal harness or Shift Solenoid C (SSC)
  • CARRY OUT the Key ON Engine OFF (KOEO) and Key ON Engine Running (KOER) self-test. For gasoline engines GO to PINPOINT TEST A . For diesel engines GO to PINPOINT TEST F . REPAIR as required. CLEAR the DTCs. TEST the vehicle system for normal operation.
Main Control   
  • Defective direct (3, 5, R) clutch regulator valve
  • Defective intermediate (2, 6) clutch latch valve
  • Defective intermediate (2, 6) clutch regulator valve
Clutch Plates   
  • Direct (3, 5, R) clutch friction and steel plate - failure
  • PERFORM Air Pressure Test on the direct (3, 5, R) clutch. REFER to SPECIAL TESTING PROCEDURES . INSPECT the direct (3, 5, R) clutch assembly for damage. REPAIR as required.
  • Intermediate (2, 6) clutch friction and steel plate - failure
  • INSPECT the intermediate (2, 6) clutch assembly for damage. REPAIR as required. REFER to TRANSMISSION - OVERHAUL .
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