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July 22, 2026 Service bulletin

Body domain controller (bdc) replacement (CA2515

Kia technical service bulletin TSB_ELE414_R1 for 2025-2026 Kia K4.

Bulletin number
TSB_ELE414_R1 (CA2515)
Component
Electrical system
Summary
TECHNICAL SERVICE BULLETIN: BODY DOMAIN CONTROLLER (BDC) REPLACEMENT (CA2515 Revision 1) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information regarding the Body Domain Control unit ‘BDC’ on certain 2025MY and 2026MY K4 (CL4) vehicles manufactured from May 1, 2025, through February 9, 2026. Due to a communication issue between the key fob and the BDC, the affected vehicles may exhibit a NO START condition when the ignition 'START' button is pressed; however, all other key fob functions such as the Lock/Unlock, Trunk Release, Alarm, and Remote Start continue to operate normally.

Owners of these vehicles have filed 17 complaints in the electrical category.

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