2021 Toyota Prius Prime Engine Problems
- Complaints
- 1about this part
- Share
- 10%of 10 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 engine of the 2021 Toyota Prius Prime, 10% of the 10 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.
“Brakes of my Toyota Pirius Prime did not work after I was hit on my right side. Brakes completlety was out. Also I was not able to run the car. The cars brakes should work even I got an accident to precent some further damage to other cars.”
NHTSA complaint #11492523, filed 2022-11Related service bulletins
- 11020664Jun 17, 2025Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
- 11020658Jun 13, 2025Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
- 11003636Apr 17, 2024Some 2020 – 2024 Corolla HV, 2017 – 2022 Prius Prime, and 2016 – 2022 Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code…
- 11003581Apr 17, 2024Some 2020 – 2024 Corolla HV, 2017 – 2022 Prius Prime, and 2016 – 2022 Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code…
- 11003602Apr 1, 2024Some 2020 – 2024 Corolla HV, 2017 – 2022 Prius Prime, and 2016 – 2022 Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code…
- 11003547Apr 1, 2024Some 2020 – 2024 Corolla HV, 2017 – 2022 Prius Prime, and 2016 – 2022 Prius vehicles equipped with a 2ZR-FXE engine may exhibit a MIL ON condition with Diagnostic Trouble Code…
Engine: other model years
Other parts of the 2021 Toyota Prius Prime
4 complaintsBrakes
3 complaintsFuel system
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsForward collision avoidance
1 complaintsOther or unknown
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2021 Toyota Prius Prime
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