2023 Kia Forte GT LineFACTORY OEM SERVICE PROCEDURE

Smart Key Unit DTCS

SMART KEY UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
B1603-00 CAN Bus OFF
B16A8-00 Interior Antenna #1 Failure
B16A9-00 Interior Antenna #2 Failure
B16AA-00 Interior Antenna #3 Failure
B16AB-00 Bumper Antenna Failure
B16AC-00 Driver Side Door Handle Antenna Failure
B16AD-00 Passenger Side Door Handle Antenna Failure
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.

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