U0155
U0155-LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE
For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.
- When Monitored:
Ignition run time is greater than 1 second. Battery voltage between 9 and 16 volts.
- Set Condition:
The Powertrain Control Module (PCM) doesn't receive a message over the CAN C circuit from the Instrument Panel Cluster (IPC) Control Module for 7 consecutive seconds, that is all messages from the IPC Control Module are timed out. The circuit is continuously monitored. Two trip fault.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
ACTIVE DTC
1. Ignition on, engine not running.
2. With a scan tool, select View PCM DTCs.
Is the DTC Active at this time?
Yes
- Perform the No Response from Cluster/CCN diagnostic procedure No Response From CCN (Cluster).
No
- Perform the CHECKING FOR AN INTERMITTENT DTC diagnostic procedure. Checking for an Intermittent DTC.