2020 Hyundai Tucson Electrical system Problems
- Complaints
- 19about this part
- Share
- 11%of 179 total for the year
- Median mileage
- 50,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 19 complaints about the electrical system of the 2020 Hyundai Tucson, 11% of the 179 complaints for this model year. Where a mileage was given, the median is 50,000 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Iam waiting for dealers to take care about a recall for Tucson model years 2019,2020 and 2021from the month of september 2020 . Is suppose my tucson2020 could be infire because of it,but I don't see dealers are interested fixing the problem now I am waiting for kendall dealer in miami because definittly homestead dealer do not want to do it.”
NHTSA complaint #11395097, filed 2021-02, 20 miles“Had for a year. 6 months ago, started sputtering, surging, slowing and dying on a regular basis. Have had it shop at Chapman used in Tucson, AZ and Lawley Hyundai in Sierra Vista Arizona 3 times. Chaan couldn't repair, so we went to Lawley. The mechanism there keep saying they cannot reproduce! The engine malfunctions 3-4 time during any drive we do. Has been going on for 6 months.”
NHTSA complaint #11597233, filed 2024-06“I have experienced 4 repeated issues within 4 months with my vehicle. Starting in September 2025 and the 4th and current issue today 1/12/26. Driving when all of a sudden all of my brake components lamps come on dash oard, forward collision alert, and check engine, my vehicle struggles to accelerate accurately. Blue Link diagnostic throws various codes such as ECM, Transmission Control System, even multiple possible issues . Each time my vehicle has been at Hyundai dealership for repair. …”
NHTSA complaint #11710567, filed 2026-01“While driving one evening, it was brought to my attention that my passenger brake light was remaining on, when I was not braking. A week later, both sides are on. This happens only if my headlights are on - automatically or if I manually turn my headlights on. The back center light will only come on when I high the brake pedals. Again, back brake lights on driver and passenger side remain on regardless of brake pedal is engaged.”
NHTSA complaint #11462878, filed 2022-04“My 2020 Hyundai Tucson was purchased new this year from west herr Hyundai I'm williamsville ny. I was notified of a vehicle safety recall related to ABS issues in september 2020. I have contacted the dealer every week sense then, and they claim they are unable to compete the recall due to a lack of parts. I believe the dealer is negligent in addressing this issue and I would appreciate help getting this safety issue remedied.”
NHTSA complaint #11383257, filed 2020-12Related service bulletins
- 11037434Sep 16, 2026Some Tucson (TL) vehicles equipped with a 2.0L engine may exhibit a continued DTC P132600 after an ECM logic update has been performed per TSB 24-01-068H, Engine Monitoring Logic…
- 11033700May 21, 2026Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. The California Air…
- 11033699May 21, 2026Certain Santa Fe (TMA), Santa Fe Sport (AN), Sonata (LFA), and Tucson (TL) vehicles equipped with Theta II engines may exhibit elevated engine-out emissions. This bulletin…
- 11033705May 19, 2026Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start…
- 11033701May 19, 2026Following completion of Service Campaign 9C2 (Theta II Emissions Improvement), certain vehicles may exhibit a brief hesitation or rough shifting condition during cold start…
- 11026704Dec 19, 2025In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at…
- 11027035Dec 15, 2025Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly…
- 11027034Dec 15, 2025In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made…
- 11027033Dec 15, 2025This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
- 11018575May 8, 2025Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 8 | 13% |
| 2025 | 68 | 23% |
| 2024 | 20 | 20% |
| 2023 | 27 | 20% |
| 2022 | 54 | 14% |
| 2021 | 12 | 15% |
| 2020 | 19 | 11% |
| 2019 | 47 | 12% |
| 2018 | 29 | 7% |
| 2017 | 85 | 8% |
| 2016 | 217 | 13% |
| 2015 | 20 | 9% |
| 2014 | 15 | 7% |
| 2013 | 22 | 8% |
| 2012 | 17 | 7% |
| 2011 | 12 | 10% |
| 2010 | 6 | 10% |
| 2009 | 2 | 11% |
| 2008 | 5 | 12% |
| 2007 | 4 | 6% |
| 2006 | 16 | 12% |
| 2005 | 30 | 16% |
Other parts of the 2020 Hyundai Tucson
73 complaintsBrakes
44 complaintsOther or unknown
28 complaintsForward collision avoidance
13 complaintsTransmission and drivetrain
9 complaintsAir bags
7 complaintsBack-over prevention (rear camera)
7 complaintsFuel system
6 complaintsLane departure
6 complaintsExterior lighting
4 complaintsSteering
4 complaintsSeats
3 complaints
← All problems reported for the 2020 Hyundai Tucson
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology