Diagnostic Test
- 1) Power Top Control Module (PTCM) NOTE: This DTC indicates an internal PTCM fault.
With the scan tool, read and record the PTCM DTCs and then erase the PTCM DTCs
Perform 3 ignition key cycles, leaving the ignition key on for a minimum of 30 seconds per cycle.
With the scan tool, read the PTCM DTCs.
Did this DTC set again?
Yes
- Replace the Power Top Control Module. Refer to REMOVAL .
- Perform POWER TOP VERIFICATION TEST .
No
- The condition that caused this DTC to set is currently not present.
- Perform POWER TOP VERIFICATION TEST .