DTC Troubleshooting: P1607 (0-2)

DTC P1607 (0-2):  Malfunction in ECM/PCM Internal Circuit

1.Reset the ECM/PCM.

2.Turn the ignition switch ON (II).

3.Wait 40 seconds.

Is DTC P1607 indicated?


YES - Substitute a known-good ECM/PCM and recheck. If symptom/indication goes away, replace the original  ECM/ PCM.n


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