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 MANUALSCHEVROLET2009CORVETTE V8-7.0LREPAIR AND DIAGNOSISWINDOWS AND GLASSTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTBODY - VARIOUS POWER WINDOW/REGULATOR CONCERNS
2009 Chevrolet Corvette V8-7.0L
Body - Various Power Window/Regulator Concerns
2009 Chevrolet Corvette V8-7.0LSECTION Body - Various Power Window/Regulator Concerns
ENGINEERING INFORMATION
Bulletin No.: 08-08-64-001D
Date: March 12, 2009
Subject:
EI08034 - Power Window/Regulator Concerns, Inoperative, Intermittent, Indexing, Continuous Up and Down (Diagnose Door Handle Switch, Replace if Necessary)
Models:
2007-2009 Cadillac XLR
2007-2009 Chevrolet Corvette
Supercede:
This bulletin is being revised to add the Cause section and a Do This/Don't Do This table. Please discard Corporate Bulletin Number 08-08-64-001C (Section 08 - Body and Accessories).
Condition
Some customers may bring their vehicles into the dealership for a concern relating to the operation of their power windows.
Cause
This condition may be caused by internal corrosion, which may cause a short in the exterior door switch. This short may send false information to the remote control door lock receiver (RCDLR) and cause repeated or no signal to be sent to the window regulator.
Correction

Diagnose the exterior door handle switch as a possible cause for this condition. If diagnosis confirms the condition is caused by the exterior door handle switch, replace both driver and passenger switches.
Parts Information

Warranty Information

For vehicles repaired under warranty, use the table.

Disclaimer
Bulletin No.: 08-08-64-001D
Date: March 12, 2009
Subject:
EI08034 - Power Window/Regulator Concerns, Inoperative, Intermittent, Indexing, Continuous Up and Down (Diagnose Door Handle Switch, Replace if Necessary)
Models:
2007-2009 Cadillac XLR
2007-2009 Chevrolet Corvette
Supercede:
This bulletin is being revised to add the Cause section and a Do This/Don't Do This table. Please discard Corporate Bulletin Number 08-08-64-001C (Section 08 - Body and Accessories).
Condition
Some customers may bring their vehicles into the dealership for a concern relating to the operation of their power windows.
Cause
This condition may be caused by internal corrosion, which may cause a short in the exterior door switch. This short may send false information to the remote control door lock receiver (RCDLR) and cause repeated or no signal to be sent to the window regulator.
Correction
Diagnose the exterior door handle switch as a possible cause for this condition. If diagnosis confirms the condition is caused by the exterior door handle switch, replace both driver and passenger switches.
Parts Information
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer
RENDER: 1.0x
NO RELATED
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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.