Chime Always On

Chime Always On

Diagnostic Fault Information

Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Initial Inspection and Diagnostic Overview

Circuit/System Description

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

Circuit/System Testing

Important: Before performing this diagnostics, make sure no indicator(s) are illuminated after the IPC performs a lamp test. If any indicators are illuminated after the bulb test, perform the indicator diagnostics before this diagnostics.

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

• If not Inactive, refer to Headlamps Always On - Low or High Beam. Headlamps Always On - Low or High Beam

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

• If not Inactive refer to Park Lamps Inoperative. Park Lamps Inoperative

3. Ignition ON, doors closed, verify the scan tool Door Ajar Switch parameter is Door Closed.

• If not Closed, refer to Courtesy Lamps Always On. Courtesy Lamps Always On

4. Ignition OFF, key out of the ignition, verify the scan tool Key In Ignition Cylinder Switch parameter is No.

• If not No, test the key in ignition switch signal circuit for a short to ground. If the circuits tests normal, replace the ignition switch.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Verification Tests

* Ignition and Start Switch Replacement
* Control Module References for the BCM replacement, setup and programming