GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

Disconnect the seat belt switch connector.

Does the seat belt alarm stop sounding?

--

Go to Step 3

Go to Step 4

3

Replace the seat belt switch.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

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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.
  2. If there is no short to ground, replace the BCM. Refer to Body Control Module Replacement in Body Control System.

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

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