2020 Hyundai Sonata Vehicle speed control Problems
- Complaints
- 7about this part
- Share
- 4%of 182 total for the year
- Median mileage
- 700miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the vehicle speed control of the 2020 Hyundai Sonata, 4% of the 182 complaints for this model year. Where a mileage was given, the median is 700 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Message on instrument panel stated'collision avoidance system was disabled and radar was blocked.the electric power steering also began to function erratically and a steering wheel symbol appeared and kept changing color from green to white.this happened after driving approximately 400 miles from the dealer in nj to charlotte nc.mileage is 975.”
NHTSA complaint #11363980, filed 2020-10, 700 miles“On or about November 13, 2024 our Hyundai Sonata 2020 gas tank almost exploded. We drove our vehicle to a dealership so that it could be checked because we kept hearing something that sounded like a loud pop / thumb underneath our vehicle. We had already been receiving notifications of a powertrain issue with the vehicle for years (without the dealership resolving the issue). …”
NHTSA complaint #11651800, filed 2025-03“While driving at about 45mph a warning flashed on my dash. I couldn't read it before it disappeared, but it was something about front collision., contact dealer. the car immediately lost all power. Everything was still running, but I had no acceleration. I had to back down a busy road into a vacant lot. I had just come off of the highway when this happened, if I had still been driving on the Highway, I would have been hit by a car from behind, since there was no warning at all. The car was towed to a Hyundai dealership. After a diagnosis, it was said to be the Throttle body. …”
NHTSA complaint #11577446, filed 2024-03“Driving, car started making a weird sound followed by a warning light on dashboard with dinging sound to correlate... car became difficult to gas, vehicle motion was lagging where I just knew I had to pull over Bc this car was going to literally stop began to slowly (Bc that’s all car would allow) to proceed forward and I was forced to come to a haunt as I pulled onto side of highway. I then could no longer move it. Turned car off for minute then returned to try to start again, car would not accelerate at all nor turn on fully.. I was forced to wait hour to get a tow... …”
NHTSA complaint #11420362, filed 2021-06“while driving my car on 3 different days the car slowed down, and the lights came EPB on, on the dashboard the EPB light came on the check engine light came on , forward collision light, auto hold light, slippery road light , and caution light with a ! mark.”
NHTSA complaint #11629778, filed 2024-12Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 4 | 24% |
| 2024 | 6 | 13% |
| 2023 | 4 | 5% |
| 2022 | 9 | 9% |
| 2021 | 2 | 1% |
| 2020 | 7 | 4% |
| 2019 | 3 | 2% |
| 2018 | 19 | 5% |
| 2017 | 20 | 3% |
| 2016 | 30 | 4% |
| 2015 | 61 | 5% |
| 2014 | 22 | 3% |
| 2013 | 86 | 4% |
| 2012 | 84 | 5% |
| 2011 | 95 | 3% |
| 2010 | 11 | 3% |
| 2009 | 31 | 7% |
| 2008 | 14 | 3% |
| 2007 | 20 | 3% |
| 2006 | 39 | 4% |
| 2005 | 6 | 4% |
| 2004 | 5 | 2% |
| 2003 | 3 | 2% |
| 2002 | 8 | 3% |
| 2001 | 13 | 6% |
| 2000 | 7 | 3% |
| 1999 | 4 | 3% |
| 1997 | 3 | 6% |
| 1996 | 1 | 4% |
| 1995 | 6 | 9% |
| 1992 | 1 | 5% |
| 1991 | 1 | 3% |
| 1990 | 1 | 6% |
Other parts of the 2020 Hyundai Sonata
59 complaintsElectrical system
40 complaintsEngine
32 complaintsOther or unknown
30 complaintsTransmission and drivetrain
24 complaintsBody and structure
17 complaintsSeats
16 complaintsForward collision avoidance
12 complaintsAir bags
7 complaintsSteering
7 complaintsVisibility (wipers, defrost, mirrors)
7 complaintsBack-over prevention (rear camera)
6 complaints
← All problems reported for the 2020 Hyundai Sonata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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