Heating & A/C

U0169-LOST COMMUNICATION WITH SUNROOF CONTROL MODULE





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

- When Monitored:
With the ignition on.

Battery voltage between 10 and 16 volts.

Ignition Off Draw (IOD) fuse installed.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:
Bus messages not received from the Sunroof Control Module (SUNR) for approximately two to five seconds.





VERIFY THE 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. Using the scan tool, read active DTCs.

Is this DTC active?

Yes

- Perform the U0169-Lost Communication With Sunroof Control Module (SUNR) diagnostic procedure. Totally Integrated Power Module (TIPM)

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs