U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE

For a complete wiring diagram Refer to Section 8W.

When Monitored:
Ignition run time is greater than 1 second. Battery voltage between 9 and 16 volts.
Set Condition:
The PCM doesn't receive a FCM message over the CAN C circuit for 7 consecutive seconds. The circuit is continuously monitored. One Trip fault.

Possible Causes

CAN C BUS OPEN OR SHORTED CONDITION

FRONT CONTROL MODULE

PCM

Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

1.ACTIVE DTC

Is the DTC Active at this time?

Yes

Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING for diagnostic procedures and for further possible causes.

Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)