Diagnostic Test
- 1) ACTIVE DTC
Ignition on, engine not running.
With the scan tool read Powertrain DTCs.
Is the DTC active at this time?
Yes
- Go To step 2).
No
- Refer to the INTERMITTENT CONDITION diagnostic procedure.
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to POWERTRAIN VERIFICATION TEST)
- 2) U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE ALSO ACTIVE
With the scan tool read DTCs.
Is the U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE also set?
Yes
- Follow the diagnostics for U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to POWERTRAIN VERIFICATION TEST)
No
- Replace and program the Powertrain Control Module per Service Information. Refer to MODULE-POWERTRAIN CONTROL and STANDARD PROCEDURE - PCM/ECM/SKREEM PROGRAMMING .
- Perform the POWERTRAIN VERIFICATION TEST. (Refer to POWERTRAIN VERIFICATION TEST)