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Blind Spot Module






U0155 - Lost Communication with Instrument Cluster

For a complete wiring diagram, refer to.

When Monitored: Continuously when the ignition is on. battery voltage between 10 and 16 volts. IOD fuse installed. TIPM is configured correctly.

Set Condition: Bus messages not received from the cluster for approximately 2 to 5 seconds.






Test Step 1 - Verify Diagnostic Trouble Code Is Active

Ensure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.

With the scan tool, read active blind spot module DTCs.

Does the scan tool display U0155 - Lost Communication with Instrument Cluster?

Yes

Refer to => Non-DTC Based Diagnostics.

No

perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs Refer to => Non-DTC Based Diagnostics. Stored Lost Communication DTCs