Kia K4 2025 — technical service bulletin
Bulletin TSB_ELE384 · NHTSA communication 11019480 · issued Jun 5, 2025
Technical service bulletin
communication type
Exterior Lighting
component
2025
model years
1
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: REAR COMBINATION LAMP BULB REPLACEMENT (CA2506) - This bulletin provides information regarding the replacement of the rear turn signal bulbs and stop lamp bulbs in the rear combination lamps on certain 2025MY K4 (CL4m) vehicles produced from July 5, 2024, to February 15, 2025, and equipped with incandescent bulbs. The bulbs might prematurely become inoperative.
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.