DTC P0604: Internal Control Module Random Access Memory (RAM) Error: Procedure
- CHECK ANY OTHER DTCS OUTPUT (IN ADDITION TO DTC P0604)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
- Read the DTCs.
Result
Display (DTC Output) Proceed to P0604 A No output B
B → See step 2
A → See step 3
- CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS
- REPLACE ECM. Refer to REMOVAL