GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has Garage Door Opener System Check been performed?

--

Go to Step 3

Go to Garage Door Opener System Check

2

Has the Garage Door Opener (GDO) been programmed to the customers transmitter?

--

Go to Step 4

Go to Step 4

3

Program GDO to the customers transmitter. Refer to Garage Door Opener Programming - Universal

Does GDO operate the customers receiver?

--

Go to Garage Door Opener System Check

Go to Step 4

4

Have customer retest the operation of the GDO transmitter, if still inoperative call 1-800-355-3515 for further assistance.

Is repair complete?

--

Go to Garage Door Opener System Check

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