Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Circuit/System Verification
- Ignition ON.
- Verify each indicator/message transition between the ajar and closed state while opening and closing each vehicle door, hood, and rear compartment.
- If the indicator/message does not change
Refer to Hood Ajar Indicator/Message Malfunction ,, Door Ajar Indicator Malfunction , or Trunk Ajar Indicator Malfunction .
- If each indicator/message changes
- If the indicator/message does not change
- Completely lower the driver door window and close all vehicle doors, ignition OFF.
- Arm the content theft deterrent system by locking the doors with the keyless entry transmitter.
- Verify the scan tool BCM Content Theft Deterrent Alarm Status parameter is Armed.
- If not Armed
Refer to Keyless Entry System Malfunction (Passive) , Keyless Entry System Malfunction (Active) .
- If Armed
- If not Armed
- Without disarming the system, reach in through the open driver window and open the driver door.
- Verify the scan tool BCM Content Theft Deterrent Alarm Status parameter is Alarm.
- If not Alarm
Replace the K9 body control module.
- If Alarm
- If not Alarm
- All OK.
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.