GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has the Remote Keyless Entry System Check been performed?

--

Go to Step 2

Go to Remote Keyless Entry System Check

2

  1. Ensure that the Transmitter Programming procedure was properly followed. Refer to Transmitter Programming in Keyless Entry.
  2. Connect a self-powered test lamp between the data link connector (DLC), cavity 4, and ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 150 (BLK) between the DLC, cavity 4, and ground G201.

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

Go to Step 4

4

  1. Disconnect the remote control door lock receiver connector for CKT 1455 (BLK/WHT).
  2. Connect an unpowered test lamp between the DLC, cavity 8 for CKT 1455 (BLK/WHT), and ground.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Repair the short to voltage in CKT 1455 (BLK/WHT) between the DLC and the remote control door lock receiver.

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

Go to Step 6

6

Connect a self-powered test lamp between the DLC, cavity 8 for CKT 1455 (BLK/WHT), and ground.

Does the test lamp light?

--

Go to Step 7

Go to Step 8

7

Repair the short to ground in CKT 1455 (BLK/WHT) between the DLC and the remote control door lock receiver.

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

Go to Step 8

8

Connect a self-powered test lamp between the DLC, cavity 8, and the remote control door lock receiver connector, cavity L, for CKT 1455 (BLK/WHT).

Does the test lamp light?

--

Go to Step 9

Go to Step 11

9

  1. Inspect the remote control door lock receiver for the following conditions:
  2. • Improper installation
    • Improper connections
    • Improper power supply
    • Improper ground
  3. Repair any conditions.

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

Go to Step 10

10

Replace the remote control door lock receiver.

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

Go to Step 11

11

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

Is programming a new transmitter possible?

--

Go to Remote Keyless Entry System Check

--