The radio generates the audible warning through the left speaker. The radio receives audible warning requests via serial data from the instrument panel cluster (IPC) or the body control module (BCM).

Schematic Reference

Audible Warnings Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Audible Warnings Description and Operation

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information

Important: Before performing this diagnostics, make sure no indicator(s) or DIC message(s) are illuminated after the IPC performs the displays test. If any indicator(s) or DIC message(s) are illuminated after the displays test, perform the indicator or DIC message diagnostics before this diagnostic.

1. Ignition ON, headlamp switch OFF, verify the scan tool Headlamp Switch parameter is Inactive.

⇒	If not Inactive, refer to Headlamps Malfunction.

2. Ignition ON, park lamp switch OFF, verify the scan tool Park Lamps Switch parameter is Inactive.

⇒	If not Inactive refer to Park, License, and/or Tail Lamps Malfunction

3. Ignition ON, doors closed, verify the scan tool All Door Lock Command is On.

⇒	If not On, refer to Courtesy Lamps Malfunction.

4. Ignition ON, radio ON, adjust the radio balance and fade to the left front speaker.

⇒	If the speaker does not operate properly, refer to Speaker Malfunction.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.