Kia Carnival 2022–2026 — technical service bulletin
Bulletin PS807 · NHTSA communication 11029974 · issued Mar 5, 2026
Technical service bulletin
communication type
Electrical System
component
2022–2026
model years
7
vehicle entries
Official summary
PITSTOP: TECHNICAL OPERATIONS: CCU FUSE OPEN AFTER WIRING HARNESS REPLACEMENT - This Pitstop provides information regarding a condition on 2022-2026MY Carnival (KA4 and KA4 HEV) vehicles in which the CCU 10A fuse may open and multiple warning lights may illuminate after replacement of the front dash wiring harness.
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.