|
|
P0601 - Internal Control Module Memory Check Sum Error • Self-diagnosis detection logic. DTC NO. DTC DEFINITION DTC DETECTION CONDITION POSSIBLE CAUSE P0601 Internal control module memory check sum error ECM detected an internal failure. • ECM P0604 Internal control module Random Access Memory (RAM) error P0605 Internal control module ROM test error P0606 ECM processor DTC Confirmation Procedure: Before performing the following procedure, confirm that battery voltage is more than 12 V. • Turn ignition switch off. • Connect the X-431 scan tool to the Data Link Connector (DLC) - use the most current software available. • Turn ignition switch on. • With the scan tool, record and erase stored DTCs in the ECM. • Run engine for a while then select view DTC. • If DTC is detected, go to Diagnostic Procedure - Step 1. • If the DTC is not detected, the DTC condition is intermittent (See Diagnosis & Testing Diagnostic Help in Sec- tion 03 Electronic Engine Controls). NOTE : DIAGNOSIS & TESTING 03
|