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 391 (INSTRUMENT PANEL SYSTEM DISPLAYS AND GAUGES)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 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B3567 | DTC B3567 01 Driver Information Center (DIC) Select Switch Circuit Short To Battery DTC B3567 59 Driver Information Center (DIC) Select Switch Circuit/Component Protection Time-Out |
| DTC P0461 | DTC P0461 Fuel Level Sensor 1 Performance |
| DTC P0462 | DTC P0462 Fuel Level Sensor 1 Low Voltage |
| DTC P0463 | DTC P0463 Fuel Level Sensor 1 High Voltage |
| DTC P0464 | DTC P0464 Fuel Level Sensor 1 Circuit Intermittent |
| DTC P0521 (5.3L Engine) | DTC P0521 Engine Oil Pressure (EOP) Sensor Performance |
| DTC P0521, P0522, or P0523 | DTC P0521 Engine Oil Pressure (EOP) Sensor Performance DTC P0522 Engine Oil Pressure (EOP) Sensor Circuit Low Voltage. DTC P0523 Engine Oil Pressure (EOP) Sensor Circuit High Voltage |
| DTC P2066 | DTC P2066 Fuel Level Sensor 2 Performance |
| DTC P2067 | DTC P2067 Fuel Level Sensor 2 Low Voltage |
| DTC P2068 | DTC P2068 Fuel Level Sensor 2 High Voltage |
RENDER: 1.0x
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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.