General

General







This diagnostic trouble code (DTC) can be caused by CAN related problems. Has the engine control module (ECM) stored any diagnostic trouble code (DTC) indicating this? Fault-trace and remedy these diagnostic trouble codes (DTCs) first.

Are any CAN related diagnostic trouble codes (DTC) stored in the engine control module (ECM)?

YES: Refer to Trouble Code Descriptions. Diagnostic Trouble Code Descriptions
NO: Continue with Test.