Diagnostic Test
WARNING: This page is about a different variant/trim than selected.
- CHECK FOR AN ACTIVE DTC NOTE:
For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.
- Turn the ignition on.
- With a scan tool, select View PCM DTCs.
Is the DTC active or pending?
Yes
- Go To 2
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK FOR U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM) ALSO ACTIVE
- With the scan tool, read DTCs and record on the repair order.
Is the U0140-LOST COMMUNICATION WITH BODY CONTROL MODULE (BCM) also set?
Yes
- Perform the U0140-Lost Communication with Body Control Module (BCM) diagnostic procedure. Refer to DIAGNOSTIC CODE INDEX
No
- 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 .
- With the scan tool, read DTCs and record on the repair order.