Chime Inoperative

CHIME INOPERATIVE

DIAGNOSTIC FAULT INFORMATION

IMPORTANT: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Testing and Inspection

CIRCUIT/SYSTEM DESCRIPTION
The radio generates the audible warning through the left front speaker. The radio receives audible warning requests via GMLAN serial data from the body control module (BCM).

CIRCUIT/SYSTEM TESTING
1. Ignition OFF, key in the ignition, open the driver door.
- If the courtesy lamps do not illuminate, go to Courtesy Lamps Inoperative.
2. Ignition ON, radio ON, adjust the radio balance and fade to the left front speaker.
- If the speaker operates properly, replace the radio.
- If the speaker does not operate properly, go to Speakers Inoperative - One or More.

REPAIR INSTRUCTIONS

IMPORTANT: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

Control Module References for radio replacement, setup, and programming