Diagnostic Test
- 1) ACTIVE DTC
Ignition on, engine not running.
With a scan tool, select View DTCs.
Is the status Active for this DTC?
Yes
- Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS for diagnostic procedures and for further possible causes.
No
- Refer to *CHECKING FOR AN INTERMITTENT CONDITION diagnostic procedure.
- Perform PCM VERIFICATION TEST .