GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: This table checks the power door unlock function of the RKE transmitter.

1

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

Does power door unlock function properly?

--

Go to Step 2

Diagnostic System Check - Power Door Systems

2

Press the power door unlock button on the transmitter.

Do doors unlock?

--

Remote Keyless Entry System Check

Go to Step 3

3

Check function with known good transmitter.

Do doors unlock?

--

Go to Step 5

Go to Step 4

4

Replace RKE module. Refer to Remote Control Door Lock Receiver Replacement .

Is repair complete?

--

Remote Keyless Entry System Check

--

5

Replace transmitter. Refer to Transmitter Replacement .

Is repair complete?

--

Remote Keyless Entry System Check

--