Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With the scan tool, read DTCs and record on the repair order.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- With the scan tool, read DTCs and record on the repair order.
- CHECK FOR THE BCM BEING RECENTLY REPLACED WITHOUT A PROXI BEING PERFORMED
Has the BCM been reprogrammed or replaced without being programed?
Yes
- Program the BCM if not programed. With the scan tool perform the proxi update procedure.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 3
- CHECK FOR THE PCM BEING RECENTLY REPLACED WITHOUT A PROXI BEING PERFORMED
Has the PCM been recently replaced with a new or used controller?
Yes
- With the scan tool perform a PCM proxi relearn.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- With the scan tool perform a PCM proxi relearn and recheck for DTC. If DTC reset and using the schematics as a guide, check the Powertrain Control Module (PCM) terminals for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. Check for any Service Bulletins for possible causes that may apply. If no problems are found, replace the Powertrain Control Module in accordance with the Service Information. Refer to MODULE, POWERTRAIN CONTROL (PCM), REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .