Adaptive Cruise Control (ACC)

U0101-00-LOST COMMUNICATION WITH TCM

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

- When Monitored:

With 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 Transmission Control Module (PCM) for approximately 500 ms.

Possible Causes:

VERIFY THE DIAGNOSTIC TROUBLE CODE (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. Using the scan tool, read the active DTCs.

Is this DTC active?

Yes

- Perform the U0101-00-LOST COMMUNICATION WITH TCM diagnostic procedure. Body Control Module (BCM)

No

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