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

U0155-LOST COMMUNICATION WITH CLUSTER/CCN



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


Possible Causes


Possible Causes

(D65) CAN C BUS(+) CIRCUIT SHORTED TO VOLTAGE
(D64) CAN C BUS(-) CIRCUIT SHORTED TO GROUND
DTCs RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
TIPM NOT CONFIGURED CORRECTLY
CLUSTER/CCN POWER AND GROUND
CLUSTER/CCN
OCCUPANT RESTRAINT CONTROLLER (ORC)

VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE


NOTE: Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
1. Turn the ignition on.
2. With the scan tool, read ORC DTCs.


Is the U0155-LOST COMMUNICATION WITH CLUSTER/CCN DTC active?

Yes


No