Diagnostic Test

1) ACTIVE DTC
NOTE: Diagnose all CAN B and C communication DTCs before continuing.

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.

Ignition on, engine not running.

With a scan tool, select View DTCs.

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. Perform PCM VERIFICATION TEST .
2) CAN B BUS COMMUNICATION DTCS ALSO ACTIVE
With a scan tool select View DTCs in the TIPM.

Are any CAN B Bus DTCs active?

Yes
1. Refer to DIAGNOSIS AND TESTING and perform the appropriate diagnostic procedure.
2. Perform BODY VERIFICATION TEST - VER 1 .
No
1. Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
2. Perform PCM VERIFICATION TEST .