Adaptive Cruise Control Module (ACC)

U0146-00-LOST COMMUNICATION WITH CENTRAL GATEWAY

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

- When Monitored:

Continuously when the ignition is on.
Battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fuse installed.
Body Control Module (BCM) is configured correctly.

- Set Condition:

Bus messages not received from the Central Gateway for approximately two to five seconds.

Possible Causes:

VERIFY DTC IS ACTIVE

NOTE: Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

1. Turn the ignition on.
2. With the scan tool, read active DTCs.

Is this DTC active?

Yes

- Perform the U0147-00-LOST COMMUNICATION WITH TELEMATICS GATEWAY diagnostic procedure. Body Control Module (BCM)


No

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