GM Service Manual Online
For 1990-2009 cars only

Theft Deterrent System Inoperative

Step

Action

Value(s)

Yes

No

DEFINITION: The theft deterrent system will not ARM or DISARM properly.

1

Were you sent here from the Theft Deterrent Diagnostic System Check?

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Go to Step 2

Go to Diagnostic System Check - Theft Deterrent

2

  1. Turn OFF the ignition switch.
  2. Open the driver or passenger door.
  3. Press the driver or passenger power door lock switch.
  4. Close both the driver and passenger doors (Theft Deterrent System is now ARMED).

Does the Theft Deterrent system ARM properly?

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Go to Step 3

Go to Step 6

3

Disarm the theft deterrent system by Inserting the door key into the driver door lock cylinder and rotate it to the unlock position, then try the passenger door lock cylinder.

Does the theft deterrent system DISARM properly from both doors?

--

Go to Step 8

Go to Step 4

4

Disarm the theft deterrent system by pressing the UNLOCK button on the remote transmitter or by walking into range with the passive switch ON.

Does the theft deterrent system DISARM properly?

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Go to Diagnostic System Check - Power Door Systems

Go to Step 5

5

Using a scan tool, try to establish communications with the BCM, LDCM, RDCM, and RFA systems.

Can the scan tool communicate with the BCM, LDCM, RDCM, and RFA systems?

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Go to Step 9

Go to Step 7

6

  1. Turn OFF the ignition switch.
  2. Close the driver and passenger doors.
  3. Press the LOCK button on the remote transmitter or walk out of range with the passive switch ON.

Does the theft deterrent system ARM properly?

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Go to Diagnostic System Check - Power Door Systems

Go to Step 5

7

Repair the no communication malfunction to the system that could not communicate with the scan tool. Refer to the appropriate Diagnostic System Check that applies to that system.

Is the repair complete?

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Go to Step 10

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8

Inspect the following circuits for an intermittent malfunction

    • Driver door ajar switch
    • Passenger door ajar switch.
    • Intermittent communications between the BCM, RDCM, LDCM, or RFA systems.
    • Power door lock switches.
    • Door lock cylinder switches.
    • Hatch/trunk ajar switch.
    • Hood ajar switch (export only).

Was a problem found and repaired?

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Go to Step 10

System OK

9

  1. Replace the BCM. Refer to Body Control Module Replacement .
  2. Program the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration .

Is the replacement complete?

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Go to Step 10

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10

  1. Turn OFF the ignition switch.
  2. Reconnect or install any connectors or components that were disconnected or removed.
  3. Turn ON the ignition switch.

Is the repair complete?

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System OK

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