Operation CHARM: Car repair manuals for everyone.

P0601


DTC P0601 INTERNAL CONTROL MODULE MEMORY CHECK SUM ERROR





DETECTING CONDITION

DTC CONFIRMATION PROCEDURE
1) Turn ignition switch OFF.
2) Clear DTC with ignition switch ON and then turn ignition switch OFF.
3) Start engine and run it at idle if possible.
4) Check pending DTC in "ON BOARD TEST" or "PENDING DTC" mode and DTC in "DTC" mode.

INSPECTION
Substitute a known-good ECM and recheck.