1999 Hyundai Sonata power train problems
14 owner complaints filed with NHTSA name the power train on the 1999 Hyundai Sonata — 11% of all complaints for this model year.
What owners report
“I purchased my 1999 sonata from a used car dealer & have had numerous problems with the car, its been a nightmare, one problem after another!!!! The crankshaft sensor had to be completely replaced because the component had severely melted, issues with the transmission, abs/airbag warning light on…”
filed Dec 11, 2011
“While driving close to home my hyundai sonata 1999 started pulling to the right , getting more severe by the minute. I decided to go home. By the time I got home the front right wheel was leaning towards the outside of car. I took the wheel off and discovered that the lower front control arm…”
filed Mar 29, 2009
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicleâ  s ownerâ  s manual. ï · Use of other ATF may result in improper shift quality or other drivability conditions. ï · Use…
21-AT-006H · Service Bulletin/Repair Instructions · issued May 21, 2021
Power Train problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 6 | 14% |
| 2023 Sonata | 15 | 18% |
| 2022 Sonata | 24 | 26% |
| 2021 Sonata | 22 | 18% |
| 2020 Sonata | 23 | 14% |
| 2019 Sonata | 8 | 5% |
| 2018 Sonata | 39 | 11% |
| 2017 Sonata | 55 | 7% |
| 2016 Sonata | 59 | 8% |
| 2015 Sonata | 133 | 12% |
| 2014 Sonata | 54 | 7% |
| 2013 Sonata | 94 | 5% |
Other reported problem areas on the 1999 Hyundai Sonata
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.