ITBC malfunction and limitations

  • When the Integrated Trailer Brake Controller malfunctions, Kia recommends visiting an authorized Kia dealer/service partner.

  • If a trailer malfunction occurs, take it to its manufacturer for inspection and maintenance.

  • The vehicle manufacturer is not responsible for any issues caused by customer misuse or the non-genuine trailer brake controller equipped.

ITBC warning messages

Trailer automatic brake: Trailer braking using the brake pedal

Trailer manual brake: Trailer braking using the trailer brake control lever

Warning message

Display conditions

Check trailer wiring

When a malfunction occurs due to a trailer brake wiring issue

Check Trailer brake module. See owner's manual

When the ITBC controller malfunctions

Check Trailer Brake System

When communication malfunctions occur in another controller related to ITBC

Use trailer brake switch

When a malfunction* occurs in the trailer automatic brake

Check trailer (brake) switch fault

When a malfunction* occurs in the trailer manual brake due to a trailer switch issue

Trailer disconnected

When disconnecting the trailer after attaching it

Check trailer connection

When adjusting the trailer brake control lever without a trailer attached

Check trailer Tail lamp

When an open circuit or short circuit occurs in the trailer's taillight

Check trailer Rear fog Lamp

When an open circuit or short circuit occurs in the trailer's rear fog light

Check trailer Back up lamp

When an open circuit or short circuit occurs in the trailer's backup lamp

Check trailer stop lights

When an open circuit or short circuit occurs in the trailer's stop lamp

Check trailer left turn signal lights

When an open circuit or short circuit occurs in the left turn signal lamp of the trailer

Check trailer right turn signal lights

When an open circuit or short circuit occurs in the right turn signal lamp of the trailer

Check trailer right turn signal lights

When an open circuit or short circuit occurs in both the left and right turn signal lamps of the trailer