General Information

Engine Control
P0606 ECM/PCM Processor - General Information

Component Location





General Description

PCM malfunctions are 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

If an internal error is detected in PCM, the PCM sets a P0606 DTC.

DTC Detecting Condition