Kia K4 2025–2026 — technical service bulletin
Bulletin TSB_ELE414_R1 · NHTSA communication 11035251 · issued Jul 22, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official 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, a
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.