Radio Frequency Module (RF Hub)

U0001-00-CAN C BUS

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 an open, short to ground or a short to voltage on the CAN C Bus circuit.





VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE

NOTE: Make sure the battery voltage is between 10 and 16 volts before proceeding.

1. Turn the ignition on.
2. With the scan tool, read the active DTCs.

Does the scan tool display: U0001-00-CAN C BUS?

Yes

- NOTE: For the DTC U0001-00 Can C Bus, use the U0002-00 Can C Bus Off Performance diagnostic procedure.

- Perform the U0002-CAN C Bus Off Performance diagnostic procedure. U0002

No

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