Turn the vehicle to the ON mode, and wait 5 seconds.
?4.
Check for Pending or Confirmed DTCs with the HDS.
DTC Description
Confirmed DTC
Pending DTC
P0630 VIN Not Programmed or Mismatch
Is DTC P0630 indicated?
YES
Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or substitute a known-good PCM, then recheck. If DTC P0630 goes away and the PCM was substituted, replace the original PCM.?
NO
Intermittent failure, the system is OK at this time. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.?