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 DIAGNOSISBODY & FRAMESEATSPOWER SEAT SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESPOWER SEAT INOPERATIVE (WITHOUT MEMORY A45)CIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet Tahoe Base, 4.8 C
Circuit/System Verification
2009 Chevrolet Tahoe Base, 4.8 CSECTION Circuit/System Verification
Operate the switches for the seat directional motors listed below in both directions. The seat should move in the commanded directions.
- Horizontal Motor
- Front Vertical Motor
- Rear Vertical Motor
- Recline Motor
- If the power seat is inoperative in all directions, refer to the Seat Adjuster Switch Circuit Test.
- If just the seat recline function is inoperative, refer to the Recline Motor Circuit Test.
- If 1 or more of the seat adjuster motors operate, refer to the appropriate Seat Adjuster Motor Circuit Test.
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.