GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Door Locks System Check performed?

--

Go to Step 2

Go to Power Door Locks System Check in Doors

2

Was the Rear Compartment Lid Release System Check performed?

--

Go to Step 3

Go to Rear Compartment Lid Release System Check in Body Rear End

3

Check the RCDLR for proper power and grounding.

Did you find and correct the condition?

--

Go to Step 12

Go to Step 4

4

Resynchronize all of the keyless entry transmitters. Refer to Transmitter Synchronization

Do the door locks cycle while you resynchronize the keyless entry transmitters?

--

Go to Step 5

Go to Step 6

5

Press the following buttons (one at a time) on the keyless entry transmitter in order to test the keyless entry system:

    • The LOCK button
    • The UNLOCK button
    • The rear compartment release button

Do all of the keyless entry system functions operate correctly?

--

Go to Step 12

Go to Step 7

6

Use a DMM in order to measure the voltage on each one of the keyless entry transmitter batteries.

Is the voltage within the specified range?

3-3.5 V

Go to Step 7

Go to Step 8

7

  1. Reprogram all of the remote keyless entry transmitters. Refer to Transmitter Programming
  2. Press the following buttons (one at a time) on the keyless entry transmitter in order to test the keyless entry system:
  3. • The LOCK button
    • The UNLOCK button
    • The rear compartment release button

Does the keyless entry system operate correctly?

--

Go to Step 12

Go to Step 9

8

  1. Replace the keyless entry transmitter batteries. Refer to Transmitter Battery Replacement
  2. Resynchronize the keyless entry transmitter. Refer to Transmitter Synchronization

Do the door locks cycle while you resynchronize the keyless entry transmitter?

--

Go to Step 7

Go to Step 9

9

  1. Program a known good keyless transmitter. Refer to Transmitter Programming
  2. Press the following buttons (one at a time) on the keyless entry transmitter in order to test the keyless entry system:
  3. • The LOCK button
    • The UNLOCK button
    • The rear compartment release button

Does the keyless entry system work?

--

Go to Step 10

Go to Step 11

10

Replace the faulty keyless entry transmitter(s). Refer to Transmitter Programming

Has the repair been made?

--

Go to Step 12

--

11

  1. Inspect the RCDLR connector for poor terminal contact.
  2. Replace the RCDLR if the RCDLR connector is OK. Refer to Receiver Replacement

Has the repair been made?

--

Go to Step 12

--

12

  1. Ensure that the ignition switch is in the LOCK position.
  2. Reconnect any connectors that were previously disconnected.
  3. Install any components that were previously removed.

Have all repairs been made?

--

Go to Remote Keyless Entry System Check

--