U0001
U0001-CAN C BUS
For a complete wiring diagram refer to the Wiring Information Electrical Diagrams.
- 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. Two trip fault.
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Pre-Diagnostic Troubleshooting Procedure.
ACTIVE DTC
1. Ignition on, engine not running.
2. With a scan tool, select View BCM DTCs.
Is the DTC Active at this time?
Yes
- CAN C BUS Performance for diagnostic procedures and for further possible causes.
No
- Refer to the CHECKING FOR AN INTERMITTENT DTC Diagnostic Procedure. Checking for an Intermittent DTC.