U0103

U0103-LOST COMMUNICATION WITH ELECTRIC GEAR SHIFT MODULE





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

- When Monitored:
With the ignition on, battery voltage between 9 and 16 volts, and engine run time greater than 3 seconds.

- Set Condition:
The PCM doesn't receive a bus message from the Electronic Gear Shift Module for a specific amount of time.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
ACTIVE DTC

NOTE: For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

1. Turn the ignition on.
2. With a scan tool, select View DTCs.

Is the status Active for this DTC?

Yes

- Testing and Inspection for the appropriate Loss of Communication diagnostic procedure. Stored Lost Communication DTCs

No

- Perform the CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. Checking for an Intermittent DTC.