GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

Important: A short to ground will cause an open fuse(s). Before Performing this diagnostic procedure, inspect the fuse(s) for an open.

1

Check power door unlock function by using the door mounted switch.

Does power door unlock function properly?

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Go to Step 2

Power Door Locks System Check in Doors

2

Press the power door unlock button on the transmitter.

Do doors unlock?

--

Remote Keyless Entry System Check

Go to Step 3

3

Check the function with known good transmitter.

Do doors unlock?

--

Go to Step 5

Go to Step 4

4

Replace RKE module. Refer to Receiver Replacement .

Is repair complete?

--

Remote Keyless Entry System Check

--

5

  1. Replace the transmitter.
  2. Reprogram the tranamitter. Refer to Transmitter Programming .

.

Is the repair complete?

--

Rear Release Inoperative with Transmitter

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