DTC P0607: Control Module Performance: Procedure

1. Clear DTC. Refer to DTC CHECK / CLEAR .
2. Turn the engine switch Off.
3. Disconnect the battery negative terminal and wait for 1 minute.
4. Connect the battery negative terminal.
5. Turn the engine switch On (IG).
6. Check DTC.

   OK

   P0607 is not present.

NG → REPLACE ECM 

OK → CHECK FOR INTERMITTENT PROBLEMS