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.
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HOMESERVICE MANUALSCHEVROLET2009HHR LT, 2.4 V, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSTHEFT DETERRENT SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESCONTENT THEFT DETERRENT MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet HHR LT, 2.4 V, Standard
Circuit/System Verification
2009 Chevrolet HHR LT, 2.4 V, StandardSECTION Circuit/System Verification
- Individually open and close each vehicle door while observing the door ajar indicator/message. The indicator/message should accurately transition between the door ajar and door closed state when each door is opened and closed.
- If the door ajar indicator/message does not properly transition when each door is opened and closed, refer to Door Ajar Indicator Malfunction (Non Panel Van) or Door Ajar Indicator Malfunction (Panel Van) .
- Completely lower the driver door window and close all vehicle doors.
- Ignition OFF, arm the CTD system using the keyless entry system by pressing the transmitter LOCK button twice. Verify the scan tool CTD Status parameter displays Armed.
- If the parameter does not equal the specified value, refer to Keyless Entry System Inoperative .
- Without disarming the system, reach in through the open driver window, unlock and open the driver door. Verify the scan tool Content Theft Mode parameter displays Alarm.
- If the parameter does not equal the specified value, replace the BCM.
- With the door open, verify the vehicle horn is pulsing and the exterior lamps are flashing.
- If the horn is not pulsing, refer to Horns Malfunction .
- If the exterior lights are not flashing, refer to Turn Signal Lamps and/or Indicators Malfunction .
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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.