DTC Troubleshooting: P0602 (196-1)

DTC P0602:  ECM Programming Error

NOTE: When ECM update is not completed, DTC P0602 is stored.

1.Do the ECM updating.

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

Is DTC P0602 indicated?


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


NO - Troubleshooting is complete.n