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Content Theft Deterrent Malfunction

Diagnostic Instructions
    • Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    • Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    • Diagnostic Procedure Instructions provides an overview of each diagnostic category.

Circuit/System Description

The content theft deterrent system is a software based system in which the body control module (BCM) actively monitors certain inputs to determine if unauthorised vehicle access is being attempted. Based on inputs such as the door ajar switches, the rear compartment ajar switch, and the bonnet ajar switch, the BCM determines whether a content theft deterrent alarm is warranted. If unauthorised access is being detected, the BCM will pulse the vehicle horn and flash the exterior lamps as a means of theft deterrence.

Diagnostic Aids

The scan tool BCM Content Theft Deterrent Trigger History 1, 2, and 3 parameters can be used to help isolate an intermittent unwanted content theft deterrent alarm. These parameters are a rolling history of the previous three causes of a theft deterrent alarm. If all three parameters are indicating the same alarm trigger, the indicated input should be the starting point when diagnosing an intermittent concern.

Reference Information

Schematic Reference

Theft Deterrent System Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Theft Systems Description and Operation

Electrical Information Reference

    •  Circuit Testing
    •  Connector Repairs
    •  Testing for Intermittent Conditions and Poor Connections
    •  Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification
  1. Vehicle OFF.
  2. Verify the intrusion sensor disable indicator turn ON and OFF when pressing and releasing the intrusion/inclination sensor disable switch.
    3. ⇒If the indicator does not turn ON and OFF
        Refer to Inclination/Intrusion Sensor Malfunction
    ⇓   If the indicator turns ON and OFF
  3. Verify each indicator/message transition between the ajar and closed state while opening and closing each vehicle door, bonnet, and rear compartment.
    4. ⇒If the indicator/message does not change
        Refer to Door Ajar Indicator Malfunction or Rear Hatch/Gate Ajar Indicator Malfunction .
    ⇓   If each indicator/message changes
  4. Vehicle in Service Mode, completely lower the driver door window and close all vehicle doors, vehicle OFF.
  5. Arm the content theft deterrent system by locking the door with the keyless entry transmitter.
  6. Verify the scan tool BCM Content Theft Deterrent Alarm Status parameter is Armed.
    7. ⇒If not Armed
        Refer to Keyless Entry System Malfunction : Passive  → Active .
    ⇓   If Armed
  7. Without disarming the system, reach in through the open driver window and open the driver door.
  8. Verify the scan tool BCM Content Theft Deterrent Alarm Status parameter is Alarm.
    9. ⇒If not Alarm
        Replace the K9 BCM.
    ⇓   If Alarm
  9. Verify the theft deterrent alarm is sounding.
    10. ⇒If the theft deterrent alarm is not sounding
        Refer to Theft Deterrent Alarm Malfunction
    ⇓   If the theft deterrent alarm is sounding
  10. All OK.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for BCM replacement, setup, and programming

   


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