Powertrain Control Module (PCM) - 65RFE

U0002-CAN C BUS OFF PERFORMANCE

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Ignition on is greater than one second.

Battery voltage is between 9 and 16 volts.

Engine run time is greater than three seconds.

- Set Condition:
Bus messages were not received from the Body Control Module (BCM) for approximately two to five seconds.





Diagnostic Test
ACTIVE DTC
1. Ignition ON, Engine Not Running.
2. With the scan tool, select view DTCs.

Is the DTC Active at this time?

Yes

- Diagnose the U0002-CAN C BUS OFF PERFORMANCE as the U0001-CAN C BUS CIRCUIT test. U0001 the U0001-CAN C Bus diagnostic procedure.

No

- Manufacturer Code Charts and perform the Stored Lost Communication DTCs diagnostic procedure.