DTC Troubleshooting: P0606 (0)

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 - Update the ECM/PCM if it does not have the latest software, or substitute a known-good ECM/PCM, then recheck. If the symptom/indication goes away with a known-good ECM/PCM, replace the original ECM/PCM.n


NO - Intermittent failure, system is OK at this time.n