Diagnostic Test
- P/N AND D/R NOT IN CORRECT POSITION NOTE: Before continuing, ensure communication can be established with the TCM. If the scan tool is unable to communicate with the TCM or if there are related communication DTCs present refer to the Communication article and perform the appropriate symptom.
- Ignition on, engine not running.
- With the scan tool, read DTCs.
Is the DTC active at this time?
Yes
- Go to step 2
No
- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .
- Perform the POWERTRAIN VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure
- CHECKING TCM DTC(S)
- Turn the ignition off.
- With the scan tool, read TCM DTCs.
Is there any there Transmission DTC(s) present?
Yes
- Refer to the appropriate Transmission symptom in the Transmission article.
No
- Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary. Replace and program the Powertrain Module in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure