DTC Troubleshooting

DTC P0606: ECM/PCM Processor Malfunction

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

1. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch OFF.
4. Turn the ignition switch ON (II).
5. Wait 40 seconds.
6. Check for Temporary DTCs or 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 ECM/PCM if it does not have the latest software, or substitute a known good ECM/PCM.
8. Turn the ignition switch OFF.
9. Turn the ignition switch ON (II).
10. Wait 40 seconds.

11. Check for Temporary DTCs or DTCs with the HDS.

Is DTC P0606 indicated?

YES - If the ECM/PCM was updated, substitute a known good ECM/PCM, then Go to step 8. If the ECM/PCM was substituted, Go to step 1.

NO - If the ECM/PCM was updated, troubleshooting is complete. If the ECM/PCM was substituted, replace the original ECM/PCM. If any other Temporary DTCs or DTC are indicated, Go to the indicated DTC's troubleshooting.