Kia Carnival 2026 — technical service bulletin
Bulletin TSB_ENG261 · NHTSA communication 11027858 · issued Jan 28, 2026
Technical service bulletin
communication type
Engine
component
2026
model years
13
vehicle entries
Official summary
TECHNICAL SERVICE BULLETIN: DATA COLLECTION: EXTRACT CALIFORNIA EMISSIONS DATA FROM ECU (DC26) - This bulletin provides information related to extracting “in use monitoring performance tracking” emissions data from the Engine Control Unit (ECU) of certain vehicles sold in California. The California Air Resources Board (CARB) requires the emissions data from vehicles with a minimum of 3,000 accumulated miles without reprogramming or resetting.
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.