Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

A malfunction is detected by using a checksum technique for verifying data. The digital data is composed of zeros and ones. A checksum is the total of all ones in a string of data. By comparing the checksum value with a stored value, a malfunction can be detected.

DTC Description

By comparing the checksum value with a stored value, if the both data are not equal , TCM sets DTC P0601.

DTC Detecting Condition