Operation CHARM: Car repair manuals for everyone.

General Information





Automatic Transaxle
P0601 Internal Control Module Memory Check Sum Error - General Information

Component Location





General Description

A malfunction of PCM/TCM is detected by using a checksum technique for verifying data. By checking the checksum value, a malfunction of PCM/TCM can be detected.

DTC Description

This code is set when PCM/TCM detected checksum error by internal operation.
( Checksum error is detected when PCM/TCM's ROM or DATA is changed by reprogram illegally.)

DTC Detecting Condition