2021 Kia Sedona problems, complaints & recalls
Most-reported problem areas: Vehicle Speed Control (2) · Tires:tread/Belt (2) · Engine (2)
🧭 Reliability snapshot
Compared against other Kia Sedona model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (54)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-09-10 · SC365_OWNR_YP · Emissions
voluntary emissions service campaign: owner notification (sc365) - this document is the owner notification advising that kia is conducting an important voluntary emissions service campaign to improve the emissions software logic in the electronic control module (ecm) to ensure compliance with emissi
Engine 2026-09-09 · SC365_STKR · Emissions
sc365_stkr: voluntary emissions service campaign completion label/sticker
Engine 2026-09-09 · SC365_POC · Emissions
sc365_poc: proof of correction card
Engine 2026-09-09 · SC365_QA · Emissions
voluntary emissions service campaign: question and answer (sc365) – this document is the question and answer guide containing the most frequently asked questions regarding voluntary emissions service campaign sc365.
Engine 2026-09-09 · SC365_DPSM · Emissions
voluntary emissions service campaign: dealer parts and service manager memo (sc365) - this document is the announcement to dealer parts and service managers advising that kia is conducting an important voluntary emissions service campaign to improve the emissions software logic in the electronic con
Engine 2026-09-09 · SC365_DP · Emissions
voluntary emissions service campaign: dealer principal memo (sc365) - this document is the announcement to the dealer principals advising that kia is conducting an important voluntary emissions service campaign to improve the emissions software logic in the electronic control module (ecm) to ensure
Showing the 6 most recent of 54 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-14 · Engine“this vehicle is burning oil at an alarming rate. between oil changes it has lost 4 quarts before. i constantly have to check and add oil and have experienced stuck pistons and rough idle due to the oil not being at a safe level. kia service advisors have admitted there have been reports of this happening with this engine, but no recall or inspectio…”
2026-08-06 · Structure:body“the drivers side passenger sliding door will not latch or close properly. the door started opening while driving and would not close. luckily i had no children in the car at the time. the safety of my child or any passenger could have been at risk. driving while a van door is opening. i am taking it to the dealer this morning. have to figure out ho…”
2025-10-07 · Unknown Or Other“for starters, my lights go out every six months on queue. cannot find a reason why. my car sputters or shutters when accelerating. i heard other kia models have recalls due to the same thing. i have had my car in the shop multiple times and no one can figure out why it is doing it. it feels like the belts are slipping or the transmission is slippin…”
2025-08-28 · Engine“the engine started knocking while i was on [xxx] between mile marker [xxx] and [xxx]. this area is under construction with no shoulders to access and pull over. a shutdown in this situation would surely cause a multi-car accident. there were no warning lamps. car was towed to ancira kia in san antonio. here is the ro# [xxx] for reference. also case…”
2025-06-17 · Vehicle Speed Control“we purchased a brand-new 2021 kia sedona in 2021. since january, we’ve been experiencing an intermittent but serious issue where the vehicle refuses to accelerate or shift beyond a certain point. this issue has put us in dangerous situations multiple times. one incident occurred while crossing a fast-moving, single-lane road—our vehicle would not…”
2025-05-22 · Seat Belts · 💥 crash“i was in a car wreck and my air bags did not deploy and my seat belt did not lock. the other vehicle involved in the car accident immediately deployed its airbags. i did not ask for an ambulance because i do not know if my insurance covers it so i went personally to the emergency room after the accident. …”
2024-06-01 · Tires:tread/Belt“the first of four tire failures (all the same dot number) of the oem tires that were on the 2021 kia sedona when purchased in april, 2021. the first tire belt broke when on an approximate 1000 mile drive and was replaced on an emergency basis on january 24, 2024 with 16,760 miles on the vehicle. the second tire belt broke on the trip home and was…”
2023-08-09 · Tires:tread/Belt“the contact owns a 2021 kia sedona equipped with kumho tires, tire line: crugen, tire size :235/65/r17, dot number: (n/a). the contact stated that while driving 80 mph, there was an abnormal vibration coming from the tires. the vehicle was taken to an independent mechanic to be diagnosed. the contact was informed of tread separation to the driver’s…”
2021-06-26 · Unknown Or Other · 💥 crash“vehicle is easily stolen, and is a safety risk for others. kia's are getting stolen at an alarming rate and should be recalled! not only are they getting stolen but they pose a major safety risk because the people stealing them are crashing them, running from police, etc. damage to my own property as well as others (mine had mysterious damage but i…”
2021-04-28 · Vehicle Speed Control · 6,800 mi“date of incident: 22 apr 2021, thursday description of incident: while driving on cruise control at 45 mph on a well-paved two-lane road with no other vehicles or obstacles present in either lane, the vehicle suddenly automatically decelerated sharply, causing the front end to plunge. simultaneously, several alerts, both in words and symbols fla…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.