2014 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

U0141-00-LOST COMMUNICATION WITH IPM (FCM/TIPM)

For a complete wiring diagram, refer to the Wiring Information.



Possible Causes

CAN C BUS (+) CIRCUIT SHORTED TO VOLTAGE
CAN C BUS (-) CIRCUIT SHORTED TO GROUND
TOTALLY INTEGRATED POWER MODULE (TIPM) POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
TOTALLY INTEGRATED POWER MODULE (TIPM)
MODULE THAT SET THIS DTC

VERIFY THE DTC IS ACTIVE


NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.
1. Turn the ignition on.
2. With the scan tool, read active DTCs.


Is the DTC active at this time?

Yes


No