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 770 (DATA COMMUNICATION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Pontiac G6 GTP, 2D Coupe, Standard
Diagnostic Code Index
2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Diagnostic Code Index
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.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | Engine Control Unit Performance |
| DTC B1001 | Option Configuration Error |
| DTC B1004 | Keep Alive Memory (KAM) Reset |
| DTC B1009 | EEPROM Checksum Mismatch |
| DTC C0550 | EEPROM Checksum Mismatch |
| DTC U0001 | This diagnostic procedure supports the following DTC: |
| DTC U0020 | Low Speed CAN Communication Bus Performance |
| DTC U0073 or U2100 | Controller Area Network (CAN) Bus Communication |
| DTC U0100-U0299 | Lost Communications: ECM, TCM, BCM, or ABS |
| DTC U2103 | Fewer Controllers On Than Programmed. |
| DTC U2105-U2199 | Lost Communications: Various Control Systems |
RENDER: 1.0x
NO RELATED
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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.