Kia Telluride 2020–2025 — technical service bulletin
Bulletin SC357_OWNR · NHTSA communication 11029044 · issued Feb 21, 2026
Technical service bulletin
communication type
Electrical System
component
2020–2025
model years
6
vehicle entries
Official summary
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC357) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions software logic in the Electronic Control Module (ECM) for 2020-2025 MY Telluride vehicles to ensure compliance with emissions regulations.
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.