GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Remote Keyless Entry System Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Operate the panic button on the keyless entry transmitter.

Do the horns, parking lamps, and headlight low beams all pulse on and off?

--

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

Go to Step 3

3

Operate the panic button on the keyless entry transmitter.

Do the horns, parking lamps, and headlight low beams all pulse on and off?

 

Go to Keyless Entry System Inoperative

Go to Step 4

4

Do the low beams flash?

--

Go to Step 5

Go to Headlamps Inoperative - Low Beams in Lighting Systems

5

Do the parking lights flash?

--

Go to Horns Inoperative in Horns

Go to Park Lamps Inoperative in Lighting Systems