GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Audible Warnings Diagnostic System Check performed?

--

Go to Step 2

Go to Diagnostic System Check - Audible Warnings

2

  1. Turn the ignition switch to the RUN position.
  2. Fasten the left front seat belt.

Is the fasten safety belts warning alarm present?

--

Go to Step 3

Go to Diagnostic System Check - Audible Warnings

3

Disconnect the left front seat belt connector C211.

Is the fasten safety belts warning alarm present?

--

Go to Step 4

Go to Step 5

4

  1. Locate and repair the short to ground in CKT 238 (BLK/WHT) between the convenience center and the seat belt switch. Refer to Wiring Repairs in wiring.
  2. If the wire is good, replace the audio alarm module or the body control module (BCM) if luxury. 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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5

Replace the LF seat. Refer to the appropriate procedure in Seat Belt:

Is the repair complete?

--

Go to Diagnostic System Check - Audible Warnings

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