Home Auto Repair SMU – Diagnostic Trouble Code (DTC) 2004 Saturn L300

SMU – Diagnostic Trouble Code (DTC) 2004 Saturn L300

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Download SMU – Diagnostic Trouble Code (DTC) 2004 Saturn L300  – DTC P0601 – P0606 DESCRIPTION These diagnostics apply to internal microprocessor integrity conditions within the engine control module (ECM). P0601 CONTROL MODULE MEMORY This DTC will set if the ECM has detected a fault with its read only memory (ROM). The ROM is checked continuously with ignition ON. The engine will not start if a fault is detected at start-up. P0602 CONTROL MODULE NOT PROGRAMMED This DTC will set if the ECM is not programmed correctly, which does NOT infer that the ECM is at fault. The engine may not start if the ECM is or was not programmed correctly. P0603 CONTROL MODULE LONG TERM MEMORY RESET This DTC will set if the ECM has registered an error in switching OFF its power stages to its memory devices. This condition is checked continuously with ignition ON. P0604 CONTROL MODULE RAM This DTC will set if the ECM has detected a fault with its random access memory (RAM). The RAM is checked continuously with ignition ON.