Chime Malfunction
Diagnostic Instructions
Circuit/System Description
The radio or the chime module, if not equipped with a radio, generates the audible warnings. The instrument cluster, the body control module (BCM), the inflatable restraint sensing and diagnostic module (SDM) or the object alarm module request audible warnings via Low Speed CAN-Bus signals.
Reference Information
Schematic Reference
Instrument Cluster 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
Circuit/System Verification
Note: Before performing this diagnostic, make sure no indicators are illuminated after the instrument cluster performs a lamp test. If any indicators are illuminated after the bulb test, perform the indicator diagnostics before this diagnostics.
without Radio
Ignition ON, perform the Chime test with the scan tool, verify that all audible warnings sound normal.
⇒ | If the audible warnings do not operate properly, replace the P5 Chime Alarm Control Module. |
with Radio
- Ignition ON, radio ON, adjust the radio balance and fade to each speaker.
- Ignition ON, buckle up driver seat belt, verify the scan tool Driver Seat Belt Status parameter is Buckled.
- Ignition ON, headlamp switch OFF, verify the scan tool Headlamp On Switch parameter is Inactive.
- Ignition ON, parking lamp switch OFF, verify the scan tool Parklamp Switch parameter is Inactive.
- Ignition ON, indicator switch OFF, verify the scan tool Left Indicator Switch parameter and the scan tool Right Indicator Switch parameter is Inactive.
- Ignition ON, handbrake released, verify the scan tool Park Brake Switch parameter is Inactive.
⇒ | If not Inactive, refer to
Park Brake System Diagnosis : Disc Brakes . |
- Ignition ON, doors closed, verify that all scan tool parameters listed below are Inactive.
• | Driver Door Ajar Switch |
• | Passenger Door Ajar Switch |
• | Left Rear Door Ajar Switch |
• | Right Rear Door Ajar Switch |
- Verify the scan tool Key in Ignition Status parameter is Inactive when the key is in the ignition and Active when the key is out of the ignition.
⇒ | If the scan tool parameter does not operate properly, replace the K9 Body Control Module. |
- Ignition ON, verify that the scan tool Park Assist Chime parameter is Active when the parking assist is active and Inactive when the parking assist is Inactive.
- If all tests operate properly, replace the A11 Radio.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for BCM, Radio or Chime Module replacement, setup and programming.
© Copyright Chevrolet. All rights reserved |
© Copyright Chevrolet. All rights reserved |