2020 Hyundai Ioniq Plug-In Hybrid Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2020 Hyundai Ioniq Plug-In Hybrid, 17% of the 6 complaints for this model year. 1 of these say a crash was involved, according to the filers.
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.
“When the engine is turned off, and the car is not in park, it rolls. When the engine is turned off the car should automatically switch to P to prevent it from rolling. Our car was left in R with the engine off. And instead of switching to P automatically, it just rolled away and hit the neighbors garage.”
NHTSA complaint #11709810, filed 2026-01Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 1 | 17% |
| 2019 | 4 | 36% |
Other parts of the 2020 Hyundai Ioniq Plug-In Hybrid
2 complaintsEngine
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2020 Hyundai Ioniq Plug-In Hybrid
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