SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSFIXED & MOVEABLE WINDOW SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESPOWER WINDOWS MALFUNCTION (RPO X88/Z88)CIRCUIT/SYSTEM VERIFICATION
2009 Chevrolet Tahoe Base, 4.8 C

Circuit/System Verification

2009 Chevrolet Tahoe Base, 4.8 CSECTION Circuit/System Verification
  1. Ignition ON, observe the operation of the power windows while commanding each window UP and DOWN by using their respective window switches, each window should perform the UP and DOWN function.
    • If the driver window malfunctions, refer to Driver Window Malfunction.
    • If the front passenger window malfunctions, refer to Passenger Window Malfunction.
    • If either rear passenger power window malfunctions, refer to Rear Passenger Window Malfunction.
  2. Observe the scan tool Driver RF Window Switch, Driver LR Window Switch and Driver RR Window Switch parameters while using the driver master control switches. The parameter should change between Off, Up, Down and Express Down.
    • If the value does not change, replace the driver door lock/window switch.
  3. Observe the scan tool Window Lockout Switch parameter while pressing and depressing the window lockout switch on the driver master control. The parameter should change between On and Off.
    • If the value does not change, replace the driver door lock/window switch.
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.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.