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moderate Owners of the 2020 Kia Sedona have filed 3 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of October 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2016 Sedona | 46 |
| 2017 Sedona | 22 |
| 2018 Sedona | 11 |
| 2019 Sedona | 3 |
| 2020 Sedona (this page) | 3 |
Of the 3 electrical complaints filed for the 2020 Kia Sedona, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA electrical complaint has been filed on this vehicle in over 5 years — the issue may be aging out of the active population.
If the alternator B+ terminal nut loosens, electrical arcing may result, increasing the risk of a fire.
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
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 emissions regulations on the 2019-2020 MY Sorento vehicles manufactured from January 24, 2018 through October 26, 2020 and 2019-2021 MY Sedona vehicles manufactured from February 13, 2018 through July 8, 2020 equipped with 3.3L GDI engines.
full bulletin at NHTSA ↗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 compliance with emissions regulations on the 2019-2020 MY Sorento vehicles manufactured from January 24, 2018 through October 26, 2020 and 2019-2021 MY Sedona vehicles manufactured from February 13, 2018 through July 8, 2020 equipped with 3.3L GDI engines.
full bulletin at NHTSA ↗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 Control Module (ECM) to ensure compliance with emissions regulations on the 2019-2020 MY Sorento vehicles manufactured from January 24, 2018 through October 26, 2020 and 2019-2021 MY Sedona vehicles manufactured from February 13, 2018 through July 8, 2020 equipped with 3.3L GDI engines.
full bulletin at NHTSA ↗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.
full bulletin at NHTSA ↗SC365_POC: PROOF OF CORRECTION CARD
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
Driving down the interstate at 70mph and the vehicle suddenly began to brake and the forward collision warning light illuminated along with the check engine light. The car stopped on the interstate and this happened at 1:15 am and it was in a rural area and it was pitch black outside. Luckily no one plowed into the back of the car. Was able to restart the car and was barely able to get it to the…
The contact owns a 2020 Kia Sedona. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power with several unknown warning lights illuminated. The vehicle was towed to the dealer, where the vehicle was diagnosed with battery failure. The contact was informed that the battery needed to be replaced. The vehicle was not repaired; however, the failure recurred when…
The contact owns a 2020 Kia Sedona. The contact stated while driving 40–45 MPH, the check engine warning light illuminated. The contact stated that while driving at an undisclosed speed, the headlights and taillights became inoperable. The contact also stated that the oil level was low after checking the dipstick. The driver's side window was stuck in the down position. The contact depressed the…
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
Based on the 3 complaints filed, electrical issues most often appear around 78,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Yes — 1 active recall(s) cover electrical issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.