DTC P0604: Internal Control Module Random Access Memory (RAM) Error: Procedure
WARNING: This page is about a different variant/trim than selected.
- READ DTC OUTPUT (DTC P0604)
- Clear the DTC.
- Turn the ignition switch OFF.
- Disconnect the battery negative terminal and wait for 1 minute.
- Connect the battery negative terminal.
- Turn the ignition switch on (IG).
- Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTCs.
OK
P0604 is not present.
NG → See step 3
OK → See step 2
- CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS
- REPLACE ECM. Refer to COMPONENTS