U0002

U0002-HIGH SPEED CAN COMMUNICATION BUS PERFORMANCE

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

- 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 Body Control Module (BCM) for approximately two to five seconds.





CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Turn the ignition on.
2. With the scan tool, read active DTCs.

Does the scan tool display this DTC as active?

Yes

- Perform the U0001-88-CAN C BUS OFF diagnostic procedure U0001-88.

No

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