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.
LGM Scan Tool Data List
- Rear Washer Requested
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The scan tool displays YES or NO. While the rear washer switch is pressed the scan tool displays YES, when the switch is released the scan tool displays NO.
- Rear Wiper Mode
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The scan tool displays OFF, DELAY 1, DELAY 2, ON, or WASH. The scan tool displays the commanded state of the rear wiper motor by the liftgate control module.
- Requested Rear Wiper
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The scan tool displays OFF, DELAY 1, DELAY 2, ON, or WASH. The scan tool displays the current rear wiper switch position determined by the switch position data received by the liftgate control module from body control module.
- Liftgate Ajar Switch
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The scan tool displays the state of the switch.
- Liftglass Ajar Switch
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The scan tool displays the state of the switch.
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.