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.
Circuit/System Description
Accessory/RAP voltage is supplied to the left rear power window switch through the window lockout signal circuit. If the window lockout function is disabled, the body control module (BCM) supplies voltage to the rear window switches allowing for normal window operation from the rear switches. If the window lockout function is enabled, the BCM will not supply voltage to the rear window switches and the rear windows will only operate from the driver power window switch through the BCM up and down signal circuits.
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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.