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 MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSSTATIONARY WINDOW SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B0283CIRCUIT/SYSTEM TESTINGREAR DEFOG INDICATOR MALFUNCTION (C60 MANUAL A/C ONLY)
2006 Pontiac G6 GTP, 2D Coupe, Standard
Rear Defog Indicator Malfunction (C60 Manual A/C only)
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Rear Defog Indicator Malfunction (C60 Manual A/C only)
- Ignition OFF, connect a test lamp between the control circuit terminal B5 and ground.
- Ignition ON, command the Rear Defog Relay 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 ON, test the control circuit for a short to voltage. If the circuit tests normal, replace the BCM. => If the test lamp is always OFF, test the control circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the BCM.
- If all circuits test normal, test or replace the HVAC control module.
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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.