Diagnostic Test

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

CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
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 3
CHECK FOR CONDITIONS THAT COULD CAUSE OVERHEATING
1. Check for the following conditions:
  - Incorrect Transmission Fluid level. Refer to FLUID AND FILTER, STANDARD PROCEDURE .
  - Case vent plugged or damaged.
  - Transmission Cooler air flow restriction.
  - Fluid restriction in the Transmission Cooler.
  - Bad Torque Converter.
  Was a problem found?
  
  Yes
  - Repair the condition as necessary.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Replace and program the TCM in accordance with the Service Information. Refer to MODULE PROGRAMMING
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
CHECK WIRING AND CONNECTORS
1. The conditions necessary to set the DTC are not present at this time.
2. Check if vehicle is used to tow excessively heavy loads.
3. Check if driver operation is not consistent with recommended operation.
4. Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
5. Wiggle the wires while checking for shorted and open circuits.
6. Check for any Service Bulletins that may apply.
  Were there any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST .
  No
  - Test complete.