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.
2021 Genesis GV80 2.5T Advanced, AWDFACTORY OEM SERVICE PROCEDURE
Tailgate Normal Operation Transmit/Receive Process
InformationÂ
- FOB key Switch: FOB key Switch → BMC/SMK → CAN communication → PTG Module
- Driver Switch: Driver Switch → Wiring → PTG Module
- Outer Switch: Outer Switch → Wiring → SJB → CAN communication → PTG Module
- Press the power tailgate open switch
- Transmit/receive power tailgate open signal via CAN communication and wiring
- Power tailgate open
InformationÂ
- The operation of the power tailgate is activated by mutual communication with the vehicle's module and switch.
- Before replacing parts, it is necessary to check the basic communication, switch signals, and contact points of wire connectors.
Factory Service Tools
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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.
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