Diagnostic Test

1) DTC IS ACTIVE
NOTE: Diagnose and repair any other DTCs that are set in the PCM before continuing.

NOTE: This DTC will set in the PCM to indicate that a DTC is set in the TCM.

NOTE: When all repairs have been completed, clear DTCs in the PCM and TCM.

Ignition on, engine not running.

With the scan tool, select View DTCs in the PCM.

Is the status Active for this DTC?

Yes
1. Go to 2).
No
1. Refer to the *CHECKING FOR AN INTERMITTENT CONDITION Diagnostic Procedure.
2) DTCS PRESENT IN THE TRANSMISSION CONTROL MODULE (TCM)
NOTE: If the scan tool is unable to communicate with the TCM, or if there are related communication DTCs present, refer to the Communication Category and perform the appropriate diagnostic procedure. Refer to the ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS article.

Ignition on, engine not running.

With the scan tool, select View DTCs in the TCM.

Are there any DTCs present in the TCM?

Yes
1. Refer to the Transmission Category and perform the appropriate diagnostic procedure.
No
1. Go to 3).
3) POWERTRAIN CONTROL MODULE (PCM)
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the TCM and the PCM.

Look for any chafed, pierced, pinched, or partially broken wires.

Look for broken, bent, pushed out or corroded terminals.

Refer to any Technical Service Bulletins that may apply.

Were any problems found?

Yes
1. Repair as necessary.
2. Perform PCM VERIFICATION TEST .
No
1. Replace and program the PCM in accordance with the Service Information.
2. Perform PCM VERIFICATION TEST .