6.7L Diesel

U0141-LOST COMMUNICATION WITH FCM (TIPM)

For a complete wiring diagram Refer to Diagrams/Electrical.


- When Monitored:
Ignition run time is greater than 1 second. Battery voltage between 9 and 16 volts.

- Set Condition:
The ECM doesn't receive a FCM (TIPM) message over the CAN C circuit for 7 consecutive seconds. The circuit is continuously monitored. One Trip fault.







Refer to the Communications test for this DTC and/or Manufacturer Code Charts for further possible causes.


Diagnostic Test


1. ACTIVE DTC
Ignition on, engine not running.
With a scan tool, read ECM DTCs.
Is the DTC active at this time?

Yes


- Refer to the Communications test for this DTC and/or Manufacturer Code Charts for further possible causes.


No


- Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
- Perform the POWERTRAIN VERIFICATION TEST. Powertrain Verification Test