U0001

U0001-CAN C BUS

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
Ignition run time is greater than 1 second. Battery voltage between 9 and 16 volts. Engine run time greater than 3 seconds.

- Set Condition:
The PCM loses communication over the CAN C Bus circuit. The circuit is continuously monitored. One Trip fault.





Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Initial Inspection and Diagnostic Overview.

Refer to Communications Test for this DTC and/or Manufacturer Code Charts for diagnostic procedures and for further possible causes.

Diagnostic Test

1. ACTIVE DTC
Ignition on, engine not running.
With a scan tool, select View BCM DTCs.
Is the DTC Active at this time?

Yes

- Refer to Communications Test for this DTC and/or Manufacturer Code Charts for diagnostic procedures and for further possible causes.

No

- Refer to the INTERMITTENT CONDITION Diagnostic Procedure. Checking for an Intermittent DTC.