2021 Toyota PRIUS: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
6 owner complaints analyzed
0 distinct recall campaigns
5,200 mi median reported failure mileage
Scope: 2021 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine is the most frequently named component, appearing in 2 of 6 complaints (33.3%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 33.3% |
| Electrical and battery issues | 1 | 16.7% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 2 |
| Fuel/Propulsion System | 2 |
| Electrical System | 1 |
| Forward Collision Avoidance: Adaptive Cruise Control | 1 |
| Lane Departure: Assist | 1 |
| Service Brakes | 1 |
| Unknown Or Other | 1 |
| Vehicle Speed Control | 1 |
Engine: 2; Fuel/Propulsion System: 2; Electrical System: 1; Forward Collision Avoidance: Adaptive Cruise Control: 1; Lane Departure: Assist: 1; Service Brakes: 1; Unknown Or Other: 1; Vehicle Speed Control: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2021 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2026 | 1 |
2021: 2; 2023: 2; 2024: 1; 2026: 1
Pattern summary
Engine leads the component reports. Braking behavior appears in 2 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11404863 · 2021-03-25 (March 25, 2021)
WHILE DRIVING ON THE I 4 WE HAD A BLOWOUT ON THE REAR PASSENGER TIRE. THE CAR HAD LESS THAN 200 MILES ON IT SO IT WAS BRAND NEW. THE DEALERSHIP FOUND OBJECT IN THE TIRE THAT COULD HAVE CAUSE THE PROBLEM THE ONLY CONCLUSION I COULD COME TO IS THAT THIS TIRE WAS DEFECTIVE. THE DEALERSHIP SAID I COULD HAVE RUN OVER A LARGE OBJECT OR A LARGE POTHOLE, WHICH I DOUBT.
Owner-reported narrative. 190 miles reported. Look up ODI 11404863 at NHTSA ↗
Owner report 11416154 · 2021-05-11 (May 11, 2021)
CARBON MONOXIDE SEEPS INTO THE PASSENGER CAR BUT DILLER CANNOT FIND IT AND DID NOT HAVE TOOLS TO DETECT CO LEVEL IN THE CAR. I CAN'T USE THIS CAR BECAUSE WAS POISONED MANY TIMES AND AFTER A SECOND CHECK-UP, THE LEVEL OF CO BECOMES HIGHER SO I CAN'T DRIVE THE CAR WITHOUT POISONING. PLEASE HELP ME. I AM WORRYING TO SELL MY CAR BECAUSE OTHER DRIVER WILL GET INJURY. THIS IS THE NEW CAR ONLY 7000 MILES.
Owner-reported narrative. 5,200 miles reported. Look up ODI 11416154 at NHTSA ↗
Owner report 11526893 · 2023-06-13 (June 13, 2023)
The car accelerated without my foot on the accelerator, brake did not respond, and I had to drive through grass and a rock-filled ditch until after about 10 seconds the car returned to my control.
Owner-reported narrative. Look up ODI 11526893 at NHTSA ↗
Owner report 11532235 · 2023-07-14 (July 14, 2023)
The Lane keeping assist used in radar cruise control mode during some drive cycles will attempt to maintain the vehicle position to the far extreme of the lane and in some cases actively veer out of the lane. My safety ant others can be put at risk when the vehicle behaves outside of its design parameters like this. To solve the issue the vehicle must be pulled over, turned off, then restarted. After the restart it will resume functioning normally, maintaining lane positioning as intended within the limits of the system. The trigger for this is…
Owner-reported narrative. Look up ODI 11532235 at NHTSA ↗
Owner report 11615271 · 2024-09-18 (September 18, 2024)
The contact owns a 2021 Toyota Prius. The contact stated while driving approximately 35 - 45 MPH, the vehicle independently accelerated. The brake pedal was depressed but failed to stop the vehicle immediately. The contact swerved around the vehicle in front and ended up on the opposite side of the roadway. The contact attempted to avoid oncoming traffic and swerving around all the other vehicles and ended up in a ravine. The contact's husband depressed the START/STOP button from the passenger’s side to turn off the vehicle, enabling the vehicl…
Owner-reported narrative. 56,000 miles reported. Look up ODI 11615271 at NHTSA ↗
Owner report 11719876 · 2026-02-23 (February 23, 2026)
When i am going down it's charging when the charge reaches 6 from 8 the engine starts working and stop changing at that point and the power continues comes from engine only without the hybrid battery and there are no codes
Owner-reported narrative. Look up ODI 11719876 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.