Code 52, ECM Fault
Ensure ECM connectors are fully inserted. Clear ECM memory. Start engine and check for SERVICE ENGINE SOON light. If light and Code 52 reappear, replace ECM. After repairs, clear ECM memory to confirm no SERVICE ENGINE SOON light.
Ensure ECM connectors are fully inserted. Clear ECM memory. Start engine and check for SERVICE ENGINE SOON light. If light and Code 52 reappear, replace ECM. After repairs, clear ECM memory to confirm no SERVICE ENGINE SOON light.