There are 1 owner-reported engine complaints for the 2022 Toyota Prius Primein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2022 Toyota Prius Prime. The contact stated while depressing the accelerator pedal, the vehicle failed to accelerate as intended. The contact stated multiple unknown warning lights had been temporarily illuminated. The vehicle was taken to a local dealer however, the cause of the failure could not be determined. Upon further investigation, the contact related the failure to NHTSA Campaign Number: 21V734000 (Engine and Engine Cooling, Hybrid Propulsion System) however, the VIN was not included. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 12,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026