Heated Seat Module (HSM)

U0212-LOST COMMUNICATION WITH SCCM - CAN-B





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

- When Monitored:
Continuously when the ignition is on.

Battery Voltage between 10 and 16 Volts.

Ignition Off Draw (IOD) fuse installed.

Front Control Module (FCM) is configured correctly.

- Set Condition:
Bus messages not received from Steering Column Control Module (SCCM) for approximately two to five seconds.





VERIFY 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. Turn the ignition on.
2. Using a scan tool, read DTCs.

Is this DTC active?

Yes

- Perform the appropriate diagnostic procedure. Testing and Inspection.

No

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