2012 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE

Trunk Lock Function

DDM sends CAN signal (Trunk Open switch) according to trunk open switch as follows.

  1. If trunk open switch is changed from OFF to ON, DDM sends Trunk Open Switch with switch ON for holding time.
  2. Trunk Open Switch will be sent with switch OFF automatically after above 1) even if trunk open switch is still ON.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.