2024 Kia EV9 GT-LineFACTORY OEM SERVICE PROCEDURE

Data Connectivity Unit DTCS

DATA CONNECTIVITY UNIT DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC Description
B28CC-11 eCall Modem Antenna Shorted
B28CD-13 eCall Modem Antenna Open
B28CE-11 eCall C/PAD Antenna Shorted
B28CF-13 eCall C/PAD Antenna Open
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:

  • 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.