Circuit DescriptionCertain anti-lock braking (ABS) controllers communicate with the engine control module (ECM) through the SAE J1939 data link. Under certain driving conditions, the anti-lock braking (ABS) controller can send a cruise control inhibit message to the ECM and cruise control will temporarily be disabled.

Component LocationThe SAE J1939 data link wiring and the SAE J1939 devices vary by OEM options.

Conditions for Running the DiagnosticsThis diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running.

Conditions for Setting the Fault CodesThe anti-lock bracking (ABS) controller detected certain driving conditions and inhibited cruise control.

Action Taken When the Fault Code is ActiveThe ECM logs the fault code immediately when the diagnostic runs and fails.Cruise control has temporarily been inhibited.Conditions for Clearing the Fault CodeTo validate the repair, perform a key cycle, start the engine and let it idle for 1 minute.The fault code status displayed by INSITE™ electronic service tool will change to INACTIVE immediately after the diagnostic runs and passes.The Reset All Faults command in INSITE™ electronic service tool can be used to clear active and inactive faults, as well as extinguish the MIL for OBD applications.

Shop TalkWhen this fault code is active, cruise control could possibly not function. This is an information only fault code, indicating that the anti-lock braking (ABS) controller detected certain driving conditions and temporarily inhibited cruise control operation. Refer to the OEM service manual.

Possible Cause:1) ECM calibration