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 DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 733 (CELLULAR SYSTEM, ENTERTAINMENT SYSTEM, AND NAVIGATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESAUDIO SYSTEM TROUBLESHOOTING HINTSPRELIMINARY INSPECTIONS
2006 Pontiac G6 GTP, 2D Coupe, Standard
Preliminary Inspections
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Preliminary Inspections
WARNING: This page is about a different car, the 2007 Saturn Sky. However, it is still accessible from the selected car via links, so may be relevant.
- Tools Required
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J 39916-A CD and Cassette Diagnostic Audio Kit
- Inspect for aftermarket electronic equipment that may have been installed on the vehicle. Temporarily disconnect the aftermarket electronic equipment to determine if it is the source of the noise.
- For reception concerns, first determine if the customer is within the listening area of the stations they are attempting to receive.
- Stations at the lower end of the FM band are more susceptible to audio noises than stations at the higher end.
- Ignition noise on the FM band may be an indication of an ignition system problem.
- Inspect the antenna coaxial connectors for corrosion or poor connections.
- Inspect all antenna, radio, and chassis grounds to ensure they are tight and free of corrosion.
- Inspect the rear defogger grid lines for large breaks or dark spots.
- Inspect the connections at the radio antenna module, if equipped, to ensure that they are clean and tight.
- If the noise is only from one speaker check for the following before speaker replacement:
- Isolate the noise using the J 39916-A .
- Inspect the speaker connections to ensure they are clean and tight. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs .
- Inspect for a loose or incorrectly installed speaker or surrounding trim. Loose trim can cause a buzz or flutter which sounds like a malfunctioning speaker.
- Compare the customers vehicle to another similar model vehicle (with a similar audio system) to determine if the condition is abnormal.
IMPORTANT:
When testing the audio system for poor reception or noise, the vehicle should be outside away from metal buildings and utility lines, with the hood and rear compartment closed.
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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.