GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you review the Audible Warnings Description and perform the necessary inspections?

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Go to Step 2

Go to Diagnostic Starting Point

2

Disconnect the seat belt buckle switch connector.

Does the seat belt alarm stop sounding?

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Go to Step 3

Go to Step 4

3

Replace the seat belt switch. Refer to Front Seat Belt Buckle Replacement in Seat Belts.

Did you complete the replacement?

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Go to Step 5

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4

  1. Locate and repair the short to ground in CKT 238 (BLK/WHT) between the seat belt switch and the BCM. Refer to Wiring Repairs in Wiring Systems.
  2. If there is no short to ground, replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Did you complete the repair?

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Go to Step 5

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5

Operate the system in order to verity the repair.

Did you correct the condition?

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System OK

Go to Step 2