GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Remote Keyless Entry Diagnostic System?

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Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Inspect the power door unlock function by using the door mounted power door lock switch.

Do the power door locks function properly?

--

Go to Step 3

Go to Power Door Locks System Check in Doors

3

Is the door unlock function inoperative from both transmitters?

--

Go to Step 4

Go to Step 5

4

Replace the remote function actuator (RFA) module. Refer to Remote Control Door Lock Receiver Replacement .

Is the repair complete?

--

Go to Diagnostic System Check - Remote Keyless Entry

--

5

Replace the transmitter. Refer to Transmitter Replacement .

Is the repair complete?

--

Go to Diagnostic System Check - Remote Keyless Entry

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