2014 Toyota Prius problems and complaints
Owners have filed 241 complaints with NHTSA about the 2014 Toyota Prius. The most-reported areas: Service Brakes (111), Electrical System (39), Unknown Or Other (34).
Key takeaways
- 241 owner complaints on file with NHTSA.
- 31 involve a crash, 1 a fire, 19 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Service Brakes | 111 | 46% |
| Electrical System | 39 | 16% |
| Unknown Or Other | 34 | 14% |
| Engine | 24 | 10% |
| Vehicle Speed Control | 18 | 7% |
| Air Bags | 17 | 7% |
| Steering | 11 | 5% |
| Structure | 11 | 5% |
| Exterior Lighting | 9 | 4% |
| Electronic Stability Control (esc) | 9 | 4% |
| Visibility/Wiper | 9 | 4% |
| Hydraulic | 8 | 3% |
One complaint can name several components, so shares add up to more than 100%.
Parts for the 2014 Toyota Prius
GarageDex's verified specs for this car. Each Buy button searches Amazon for that exact part.
- Battery
- Engine oil
- Oil filter
- Engine air filter
- Cabin air filter
- Wiper blades
- Headlight bulb
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2014 Toyota Prius 5 HB FWD | 4/5 | 4/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Suspension - filed 2026-10-31
While backing out of a parking space at low speed, the rear axle beam (torsion beam) broke apart and the rear wheel assembly tore away from the beam. The vehicle was towed. The beam shows heavy, long-standing corrosion with flaking scale and rust-through holes on its exterior near the rear mounting points. Six weeks ea...
Unknown Or Other,service Brakes,forward Collision Avoidance - filed 2026-10-21
The Toyota Prius, models through 2010 - 2015 have a known issue with the Brake Booster (actuator) and ABS Pump where the parts will degrade and break at or around 100,000mi. Toyota issued a bulletin and had a replacement program that covered the part that has since elapsed but has not corrected the issue with existing ...
Service Brakes - filed 2026-10-16
My vehicle is experiencing the well-known brake booster failure. This started at 90,000 miles, with an increased frequency in the running of the brake booster. It has steadily gotten worse, and now the pump runs with every brake application or every 13 seconds. There is now a hissing sound when I apply the brakes. ...
Diagnose it yourself
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
More for the 2014 Toyota Prius
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.