P0600

DTC P0600 Serial Communication Link

DESCRIPTION
A communication line exists between the Engine Control Module (ECM) and the other control module(s). The purpose of this DTC is for the ECM to activate the Malfunction Indicator Lamp (MIL) when a communication failure has occurred.

DTC Detecting Condition:

INSPECTION PROCEDURE
- Internal fault. There is no inspection service possible for this diagnostic trouble code.
- Temporarily install a good TCM/ECM and check for proper operation. If problem is corrected, replace TCM/ECM.