Operation CHARM: Car repair manuals for everyone.

Restraints



U0103-LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE (ESM)






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.

Totally Integrated Power Module (TIPM) is configured correctly.

- Set Condition:

The Occupant Restraint Controller (ORC) doesn't receive a Electric Gear Shift Module (ESM) message over the CAN C BUS circuit for approximately 2 to 5 seconds.

Possible Causes:






VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

NOTE: Ensure 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 U0103-LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE (ESM) Diagnostic Procedure. Refer to Totally Integrated Power Module (TIPM)

No

- Refer to the Stored Lost Communication diagnostic procedure. Stored Lost Communication DTCs