GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did the Remote Keyless Entry System Check bring you here?

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Go to Step 2

Go to Remote Keyless Entry System Check

2

Connect a fused jumper between CKT 1455 (BLK/WHT) cavity 8 at the data link connector (DLC) and ground.

Do all of the power door locks lock and unlock?

--

Go to Step 4

Go to Step 3

3

Use a fused jumper in order to backprobe between CKT 1455 (BLK/WHT) cavity L at the remote control door lock receiver connector and ground.

Do all of the power door locks lock and unlock?

--

Go to Step 5

Go to Step 6

4

  1. Replace the transmitter batteries with fresh ones if the condition of the batteries is unknow. Refer to Transmitter Battery Replacement .
  2. Retry the transmitter.

Does the transmitter operate all of the remote control functions?

--

Go to Remote Keyless Entry System Check

Go to Step 8

5

Repair the open in CKT 1455 (BLK/WHT) between the remote control door lock receiver and the DLC connector.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

6

Connect a test lamp J 35616-200 from the remote control door lock receiver CKT 540 (ORN) cavity E and cavity F to ground.

Does the test lamp light?

--

Go to Step 10

Go to Step 7

7

Repair the open in CKT 540 (ORN) between the remote control door lock receiver and the instrument panel fuse block.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

8

  1. Use a fused jumper in order to backprobe from the remote control door lock receiver CKT 1455 (BLK/WHT) cavity L to ground.
  2. Obtain a known good transmitter.
  3. Press a single button once in order to operate the transmitter.
  4. Disconnect the jumper from the program connector.

Does the known good transmitter operate all of the remote functions?

--

Go to Step 9

Go to Step 10

9

Replace the inoperative transmitter with a new transmitter and reprogram it. Refer to Transmitter Programming .

Is the replacement complete?

--

Go to Step 12

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10

Replace the remote control door lock receiver. Refer to Receiver Replacement .

Is the replacement complete?

--

Go to Step 12

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11

Reprogram the remote control door lock receiver. Refer to Receiver Replacement .

Is the reprogramming complete?

--

Go to Remote Keyless Entry System Check

--

12

Reprogram the remote control door lock receiver to the replacement transmitter. Refer to Transmitter Programming .

Is the reprogramming complete?

--

Go to Remote Keyless Entry System Check

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