Diesel Data: Automotive Repair

General Information





P0605 Internal Control Module Read Only Memory (ROM) Error

General Information

Component Location





General Description

PCM monitors errors through checksum. Every information consists of the combination of 0 and 1, checksum means summing up all values in a row. Thus, errors are recognized comparing checksum value and the memory value at PCM.

DTC Description

ECM detects the signal exchanges between micro-processor and sensor/actuator.

DTC Detecting Condition