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Pinpoint Test C : DTC U0155: Notes

DTC U0155 

Refer to Wiring Diagram Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The IPC, GSM and BCM use information contained in messages on the HS-CAN.

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module This DTC sets if the GSM does not receive some or all of an expected message from the IPC.

Possible Sources 

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