Kia Carnival 2025–2026 — technical service bulletin
Bulletin TSB_ELE403_R1 · NHTSA communication 11025765 · issued Nov 25, 2025
Technical service bulletin
communication type
Visibility/wiper
component
2025–2026
model years
2
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: SERVICE ACTION: A/C COMPRESSOR REPLACEMENT (SA632) - This bulletin has been revised as a Combination TSB/SA and includes additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information to address air conditioning performance issues reported on certain 2025-2026 model year Carnival (KA4) vehicles produced between December 1, 2024, and June 12, 2025. Customers may experience intermittent cooling or insufficient cooling at low blower speeds. The cause may be excessive clearance between th
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.