General Information

Automatic Transaxle

P0603 Internal Control Module Keep Alive Memory (KAM) Error - 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 in RAM with a stored value in EEPROM, a malfunction can be detected after IG ON.
(MIL : 1 Driving Cycle)

DTC Detecting Condition