U0186

U0186-00-LOST COMMUNICATION WITH AUDIO AMPLIFIER-

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

- When Monitored:
Continuously when the ignition is on.

The battery voltage is between 10 and 16 volts.

Body Control Module (BCM) is configured correctly.

- Set Condition:
Bus messages not received from the Audio Amplifier for approximately two to five seconds.





Diagnostic Test
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. With the scan tool, read the active DTCs.

Is this DTC active?

Yes

- Body Verification Test and perform the U0186-00 Lost Communication with Audio Amplifier diagnostic procedure.

No

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