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 91 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B2555CIRCUIT/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 2009 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the appropriate dome/inside rearview lamp assembly.
- Connect a test lamp between B+ and the appropriate control circuit terminal listed below.
- Dome lamp control terminal B
- Inside rearview mirror courtesy/reading lamp control terminal 1 with UE1
- Inside rearview mirror courtesy/reading lamp control terminal 6 without UE1
- Command the Interior Lamps ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the commanded states.
- 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 for a short to ground. If the circuit tests normal, replace the BCM.
- If all circuits test normal, replace the inoperative dome/inside rearview lamp assembly.
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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.