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.
Diagnostic Code Index
2009 GMC Canyon 4D Pickup, 2.9 9SECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1025, B1035, B1045, or B1055 | B1025: Audio Output 1 Left Front Circuit B1035: Audio Output 2 Right Front Circuit B1045: Audio Output 3 Left Rear Circuit B1055: Audio Output 4 Right Rear Circuit |
| DTC B1259 | B1259: Antenna Ground Circuit |
| DTC B2455 | B2455 00: Cellular Phone Microphone Circuit |
| DTC B2470 | B2470 00: Cellular Phone Antenna Circuit Malfunction |
| DTC B2476 or B2482 | B2476 00: Cellular Phone Select Service Switch 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: Wireless Communication Antenna Circuit (Bluetooth) |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.