GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Audible Warnings System Check?

--

Go to Step 2

Go to Audible Warnings System Check

2

Inspect for an open in CKT 1785 (LT BLU) and CKT 549 (PPL/WHT).

Are the CKTs OK?

--

Go to Step 4

Go to Step 3

3

Repair an open in the faulty CKT. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Audible Warnings System Check

--

4

Replace the body control module (MALL). Refer to Body Control Module Replacement in Body Control System.

Did you complete the repair?

--

Go to Audible Warnings System Check

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