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 MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 548 (ADJUSTABLE PEDAL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2009 Chevrolet Tahoe Base, 4.8 C
Diagnostic Code Index
2009 Chevrolet Tahoe Base, 4.8 CSECTION Diagnostic Code Index
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B3604 or B3605 | DTC B3604 01 Adjustable Foot Pedal Forward Switch Circuit Short to Battery DTC B3605 01 Adjustable Foot Pedal Rearward Switch Circuit Short to Battery |
| DTC B3606 | DTC B3606 01 Adjustable Foot Pedal Position Sensor Circuit Short to Battery DTC B3606 06 Adjustable Foot Pedal Position Sensor Circuit Short to Ground or Open |
| DTC B3631 | DTC B3631 00 Adjustable Foot Pedal Inhibit 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.