Powertrain Control Module (PCM) - 62TE

U0002-CAN C BUS OFF PERFORMANCE

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

Theory of Operation

- When Monitored:
Ignition run time is greater than one second.

Battery voltage between 9 and 16 volts.

Engine run time greater than three seconds.

- Set Condition:
Bus messages not received from the Totally Integrated Power Module (TIPM) 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. Perform the U0001-CAN C Bus diagnostic procedure. U0001

No

- Stored Lost Communication DTCs and perform the Stored Lost Communication DTCs diagnostic procedure.