Pinpoint Test 4: DTC U0155 - Lost Communication With Instrument Panel Cluster (IC) Control Module

PINPOINT TEST 4: DTC U0155 - LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IC) CONTROL MODULE

Normal Operation

DTC U0155 (Lost Communication with Instrument Panel Cluster (IC) Control Module) - set by the Smart Junction Box (SJB) if data messages received from the Instrument Cluster (IC) over the Medium-Speed Controller Area Network (MS-CAN) are missing for 5 minutes.

Possible Causes

- Module communication
- IC

Diagnostic Procedure