2012 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

U0155-00-LOST COMMUNICATION WITH CLUSTER/CCN

U0155-00-LOST COMMUNICATION WITH CLUSTER/CCN

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



Possible Causes

CAN INTERIOR BUS (+) CIRCUIT SHORTED TO VOLTAGE
CAN INTERIOR BUS (-) CIRCUIT SHORTED TO GROUND
INSTRUMENT CLUSTER POWER AND GROUND
TIPM NOT CONFIGURED CORRECTLY
INSTRUMENT CLUSTER (CCN)
MODULE THAT SET THIS DTC

VERIFY 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 this DTC active?

Yes


No