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 Testing
2007 Cadillac Escalade AWDSECTION Circuit/System Testing
Power Window Lockout Function Inoperative
- Install a scan tool and display the Driver Door Switch Inputs data list.
- Ignition on, verify that the window lockout switch parameter displays On only while the lockout switch is pressed.
- If the switch parameter is incorrect, replace the DDS.
- Display the Body Control Module Doors data list.
- Verify that the LR and RR Window Enable Command parameters change form On to Off when the lockout function is activated.
- If the enable command parameters are incorrect, replace the BCM.
- Disconnect the affected rear door power window switch connector, and activate the rear window lockout function.
- Verify that a test lamp does not illuminate when connected from the lockout signal circuit terminal to ground.
- If the test lamp illuminates, test the lockout signal circuit for a short to voltage. If the circuit tests normal replace the BCM.
- If the circuits test normal replace the affected rear door power window switch.
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.