2022 Genesis GV70 2.5TFACTORY OEM SERVICE PROCEDURE

Steering Column Module DTCS

STEERING COLUMN MODULE DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
B1602-00 CAN Line Error
B1603-00 CAN Bus OFF
B1637-00 System Not Initialized
B2471-00 Vibration Motor Fault
B2473-00 Haptic Warning System Open Circuit
B2474-00 Haptic Warning System Short to Ground
Factory Service Tools

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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.