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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 818 (CELLULAR SYSTEMS, ENTERTAINMENT SYSTEMS & NAVIGATION SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Diagnostic Code Index
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045, or B1055 | B1025 01: Audio Output 1 Left Front Circuit Short to Battery B1025 02: Audio Output 1 Left Front Circuit Short to Ground B1035 01: Audio Output 2 Right Front Circuit Short to Battery B1035 02: Audio Output 2 Right Front Circuit Short to Ground B1045 01: Audio Output 3 Left Rear Circuit Short to Battery B1045 02: Audio Output 3 Left Rear Circuit Short to Ground B1055 01: Audio Output 4 Right Rear Circuit Short to Battery B1055 02: Audio Output 4 Right Rear Circuit Short to Ground |
| DTC B1259 | B1259 02: Antenna Ground Circuit Short to Ground B1259 05: Antenna Ground Circuit Short to Battery or Open |
| DTC B1287 | B1287 01: Amplifier Control Signal Circuit Short to Battery B1287 02: Amplifier Control Signal Circuit Short to Ground B1287 04: Amplifier Control Signal Circuit Open |
| DTC B2455 | B2455 04: Cellular Phone Microphone Circuit Malfunction Open Circuit |
| DTC B2462 (Communication Interface Module) | B2462 02: Global Positioning System (GPS) Antenna Malfunction Short to Ground B2462 04: Global Positioning System (GPS) Antenna Malfunction Open Circuit |
| DTC B2470 | B2470 04: Cellular Phone Antenna Circuit Malfunction Open Circuit |
| DTC B2476 or B2482 | B2476 04: Cellular Phone Select Service Switch Open Circuit B2476 59: Cellular Phone Select Service Switch Stuck Button B2482 00: Cellular Phone Select Service Switch Range/Performance |
| DTC B2483 or B2484 | B2483 00: Global Positioning System (GPS) Antenna Malfunction Short to Ground B2484 00: Global Positioning System (GPS) Antenna Malfunction Open Circuit |
| DTC B2485 | B2485 02: Wireless Communication Antenna Circuit Short to Ground B2485 04: Wireless Communication Antenna Circuit Open Circuit |
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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.