GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

Schematic Reference: Audible Warnings Schematics

1

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

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. Open the driver door.

Does the chime sound?

Go to Step 4

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

4

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, perform the Chime Test in the Radio.

Does the chime stop when you select OFF?

Go to Step 5

Go to Step 10

5

With a scan tool, observe the Parklamp Switch parameter in the body control module (BCM) Inputs data list.

Does the Parklamp Switch parameter display Inactive?

Go to Step 6

Go to Park Lamps Always On in Lighting Systems

6

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 7

Go to Headlamp Low or High Beams Always On in Lighting Systems

7

  1. Turn the ignition OFF.
  2. Disconnect the BCM connector C3.
  3. Install a scan tool.
  4. Turn ON the ignition, with the engine OFF.
  5. With a scan tool, observe the Key in Ignition parameter in the Body Control Module Inputs data list.

Does the Key in Ignition parameter display Inactive?

Go to Step 8

Go to Step 11

8

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 12

Go to Step 9

9

Replace the ignition switch. Refer to Ignition and Start Switch Replacement .

Did you complete the replacement?

Go to Step 12

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10

Important: Perform the set up procedure for the replacement radio or multifunction alarm module (RPO).

Replace the radio or the multifunction alarm module (RPO). Refer to Radio Replacement in Entertainment or Multifunction Alarm Module Replacement .

Did you complete the replacement?

Go to Step 12

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11

Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 12

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12

  1. Use the scan tool in order to clear the BCM DTCs.
  2. Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3