Monitor DTC Status
P0604 Internal Control Module Random Access Memory (RAM) Error
Scantool Diagnostics
Monitor Scantool Data
1. Connect scantool to Data Link Connector (DLC).
2. IG "ON".
3. Select "DTC" button, and then Press "DTC Status" to check DTC's information from the DTCs menu.
4. Read "DTC Status" parameter.
5. Is parameter displayed "Present fault"?