U103A-92
U103A-92 CAN AT (AUDIO AND TELEMATICS) BUS PERFORMANCE OR INCORRECT OPERATION
For a complete wiring diagram, refer to the Wiring Information .
- When Monitored:
Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
- Set Condition:
The controller detects a short to ground on the CAN AT Bus (+) circuit or a short to voltage on the CAN AT Bus (-) circuit.
VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
1. Using the scan tool, read active DTCs.
Is this DTC active?
Yes
- Testing and Inspection Perform the U103A-92 CAN AT (AUDIO AND TELEMATICS) BUS PERFORMANCE OR INCORRECT OPERATION diagnostic procedure.
No
- Stored Lost Communication DTCs Perform the Stored Lost Communication DTCs diagnostic procedure.