Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
NOTE:
Diagnose communication DTCs before proceeding. If no communication DTCs are set, diagnose Antilock Brake System (ABS) DTCs before proceeding.

NOTE:
This DTC can set due to differences in tire diameter. Check tire diameters to make sure the tires are the same size.

NOTE:
This DTC can set due to wheel spin.
1. With the scan tool, read Transmission Control Module (TCM) DTCs and record on the repair order.
2. Record the Event Data and Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Event and Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read TCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Go To 4
VISUAL INSPECTION
NOTE:
This DTC can set due to differences in tire diameter.

NOTE:
This DTC may set on a hard acceleration on loose gravel or during other off road driving conditions.
1. Check all of the tires for the correct pressure.
2. Check tire wear on all the tires.
3. Check that all tire sizes are the same.
4. Ask the customer what the road and driving conditions were like when the fault set.
  Were any problems found?
  
  Yes
  - Repair as necessary. If the DTC set during a front or rear wheel spin condition, no repair is necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to appropriate diagnostic information .
  No
  - Go To 3
POWERTRAIN CONTROL MODULE (PCM)
1. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Speed Sensors, ABS Module, and the PCM.
2. Look for any chafed, pierced, pinched, or partially broken wires.
3. Look for broken, bent, pushed out or corroded terminals. Verify that there is good pin to terminal contact in the Vehicle Speed Sensors, ABS Module, and PCM connectors.
4. Perform any Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to appropriate diagnostic information .
  No
  - Replace and program the PCM in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to appropriate diagnostic information .
CHECK WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
3. Wiggle the wires while checking for shorted and open circuits.
4. Check for any Service Bulletins that may apply.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Test complete.