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 MANUALSCHEVROLET2008HHR LT, 2.4 P, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 497 (POWER DOOR LOCK SYSTEM AND RELEASE SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B3152CIRCUIT/SYSTEM TESTING
2008 Chevrolet HHR LT, 2.4 P, Automatic
Circuit/System Testing
2008 Chevrolet HHR LT, 2.4 P, AutomaticSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2011 GMC Canyon and 2011 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the X2 harness connector at the driver door lock window switch.
- Disconnect the harness connector at the passenger door lock window switch.
- Connect a test lamp between the driver door lock switch control circuit terminal 7 and B+.
- Ignition ON, command the doors to LOCK with a scan tool. The test lamp should illuminate during the LOCK command.
- If the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace the BCM.
- If the test lamp is always ON, test the control circuit terminal for a short to ground. If the circuit tests normal, replace the BCM.
- Ignition OFF, connect the harness connector at the passenger door lock window switch and disconnect the harness connector at the BCM.
- Ignition ON, command the doors to LOCK by using the passenger door lock window switch. The test lamp should illuminate during the LOCK command.
- If the test lamp is always OFF, replace the passenger door lock window switch.
- If the test lamp is always ON, replace the passenger door lock window switch.
- If all circuits test normal, replace the driver door lock window switch.
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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.