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Chime Always On

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Chime Always On

Step Action Yes No
Schematic Reference: Audible Warnings Schematics 
Connector End View Reference: MASTER ELECTRICAL COMPONENT LIST
1 Did you perform the Audible Warnings Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Audible Warnings 
2 Do any indicators illuminate when the chime sounds? Go to Symptoms - Instrument Panel, Gages and Console  Go to Step 3 
3
  1. Turn the ignition OFF.
  2. Remove the key from the ignition.
  3. Turn the headlamp switch to OFF.
  4. Close all of the vehicles doors.
  5. Open one or more of the vehicle's doors
Does the chime sound at all times regardless if the doors are open or closed?		 Go to Step 16  Go to Step 4 
4
  1. Close all of the vehicles doors.
  2. With a scan tool, observe the Door Ajar Switch parameters in the DDM/PDM Inputs data list.
Do all of the Door Ajar Switch parameters display Off?		 Go to Step 5  Go to COURTESY LAMPS ALWAYS ON in Lighting Systems
5 With a scan tool, observe the Left Rear Door Ajar Switch parameter and the Right Rear Door Switch parameter in the BCM Inputs data list.
Do all of the Rear Door Switch parameters display Off?		 Go to Step 6  Go to COURTESY LAMPS ALWAYS ON in Lighting Systems
6 With a scan tool, observe the Rear Gate/Door parameter in the IPC Inputs data list.
Does the Rear Gate/Door parameter display Closed?		 Go to Step 7  Go to COURTESY LAMPS ALWAYS ON in Lighting Systems
7
  1. Turn the ignition OFF.
  2. Remove the key from the ignition.
  3. Turn the headlamp switch to OFF.
  4. Open the driver's door.
Does the chime sound?		 Go to Step 8  Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems
8
  1. Install a scan tool.
  2. Turn the ignition ON, with the engine OFF.
  3. With a scan tool, observe the Parklamp Switch parameter in the BCM Inputs data list.
Does the Parklamp Switch parameter display inactive?		 Go to Step 9  Go to Step 11 
9 With a scan tool, observe the Headlamp Switch parameter in the BCM Inputs data list.
Does the Headlamp Switch parameter display Inactive?		 Go to Step 10  Go to Step 11 
10
  1. Turn the ignition OFF.
  2. Remove the key from the ignition.
  3. With a scan tool, observe the Key In Ignition parameter in the BCM Inputs data list.
Does the Key In Ignition parameter display No?		 Go to Step 15  Go to Step 12 
11 Test the headlamp input signal circuit and the parklamp signal circuit at the BCM for a short to voltage. Refer to CIRCUIT TESTING and WIRING REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 13 
12 Test the key in ignition signal circuit for a short to ground. Refer to CIRCUIT TESTING and WIRING REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 14 
13 Inspect for poor connections at the harness connector of the headlamp switch. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 17 
14 Inspect for poor connections at the harness connector of the ignition key alarm switch. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 18 
15 Inspect for poor connections at the harness connector of the BCM. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 19 
16 Inspect for poor connections at the harness connector of the radio or audio amplifier. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 Go to Step 21  Go to Step 20 
17 Replace the headlamp switch. Refer to HEADLAMP SWITCH REPLACEMENT in Lighting Systems.
Did you complete the replacement?		 Go to Step 21  -
18 Replace the ignition switch. Refer to IGNITION SWITCH in Steering Wheel and Column.
Did you complete the replacement?		 Go to Step 21  -
19
IMPORTANT: Program the replacement BCM.
Replace the BCM. Refer to BODY CONTROL MODULE REPLACEMENT .Did you complete the replacement?		 Go to Step 21  -
20
IMPORTANT: Program the replacement radio or audio amplifier.
Replace the radio. Refer to RADIO REPLACEMENT in Entertainment or in AMPLIFIER REPLACEMENT (BRAVADA, ENVOY, TRAILBLAZER) or AMPLIFIER REPLACEMENT (ENVOY XL, TRAILBLAZER EXT) in Entertainment.Did you complete the replacement?		 Go to Step 21  -
21 Operate the system in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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