GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Were you sent here from the Remote Keyless Entry Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Use the door lock switches located on the vehicle and operate the driver/passenger door locks.

Do the door locks operate properly?

--

Go to Step 3

Go to Diagnostic System Check - Power Door Systems

3

  1. Turn OFF the ignition switch.
  2. Place the transmission in PARK (A/T), or apply the parking brake (M/T).
  3. Press the vehicle hatch or trunk release switch located on the vehicle.

Does the hatch or trunk release?

--

Go to Step 4

Go to Diagnostic System Check - Body Rear End

4

  1. Close the driver/passenger doors.
  2. Place the transmitter in range.
  3. Press the transmitter LOCK button.

Does the driver and passenger door lock?

-

Go to Step 5

Go to Step 7

5

  1. Place the transmitter in range.
  2. Press the transmitter UNLOCK button. (The first press unlocks the driver door; the second press unlocks the passenger door.)

Does the driver and passenger door unlock?

--

Go to Step 6

Go to Step 7

6

  1. Turn OFF the ignition switch.
  2. Place the transmission in PARK (A/T), or apply the parking brake (M/T).
  3. Press the transmitter hatch release button.

Does the hatch or trunk release?

--

System OK

Go to Step 7

7

  1. Synchronize the transmitter(s). Refer to Transmitter Programming/Synchronization .
  2. Close the driver/passenger doors.
  3. Use the transmitter to operate the door locks.

Do the door locks operate?

--

Go to Step 12

Go to Step 8

8

Test the transmitter battery for the following conditions:

    • Improper installation
    • Wrong battery
    • Rundown or weak

Did you find and correct the condition?

--

Go to Step 12

Go to Step 9

9

  1. Using a known good transmitter, program the transmitter. Refer to Transmitter Programming/Synchronization .
  2. Close the driver/passenger doors.
  3. Use the transmitter to operate the door locks.

Do the driver/passenger doors lock operate?

--

Go to Step 11

Go to Step 10

10

  1. Replace the remote control door lock receiver. Refer to Receiver Replacement .
  2. Program the transmitters. Refer to Transmitter Programming/Synchronization .
  3. Program the TPM sensors. Refer to Tire Pressure Monitoring Sensor Programming in Tire Pressure Monitor.

Did you complete the replacement?

--

Go to Step 12

--

11

  1. Replace the inoperative transmitter.
  2. Program the transmitters. Refer to Transmitter Programming/Synchronization .

Did you complete the replacement?

--

Go to Step 12

--

12

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2