DTC Troubleshooting

DTC Troubleshooting: P0606

DTC P0606:

PCM Processor Malfunction

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information Initial Inspection and Diagnostic Overview.

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Turn the ignition switch to LOCK (0).

4. Turn the ignition switch to ON (II).

5. Wait 40 seconds.

6. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0606 indicated?

YES -

Go to step 7.

NO -

Intermittent failure, the system is OK at this time.�

7. Update the PCM if it does not have the latest software PCM Update, or substitute a known-good PCM Initial Inspection and Diagnostic Overview.

8. Turn the ignition switch to LOCK (0).

9. Turn the ignition switch to ON (II).

10. Wait 40 seconds.

11. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P0606 indicated?

YES -

If the PCM was updated, substitute a known-good PCM Initial Inspection and Diagnostic Overview, then go to step 8. If the PCM was substituted, go to step 1.

NO -

If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM Service and Repair. If any other Pending or Confirmed DTCs are indicated, go to the indicated DTC's troubleshooting.�