2021 Toyota Prius Prime problems, complaints & recalls
Most-reported problem areas: Service Brakes (2) · Power Train (2) · Visibility/Wiper (1)
🧭 Reliability snapshot
Compared against other Toyota Prius Prime model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (122)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Electrical System 2026-01-30 · T-SB-0106-22 Rev2 · Service Bulletin/Repair Instructions
obsolete notice january 30, 2026: this bulletin is now obsolete. please see t-sb-0001-26.
Electrical System 2026-01-28 · T-SB-0001-26 · Service Bulletin/Repair Instructions
some 2018 – 2024 model year toyota vehicles equipped with a premium audio with dynamic navigation system require a special service tool (sst) usb flash drive to update the map, points of interest, and system software.
Unknown Or Other 2026-01-07 · T-SB-0055-24 Rev2 · Service Bulletin/Repair Instructions
some 2005 – 2026 toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. follow the procedures in this bulletin to remediate the odor and address this condition. the purpose of this service bulletin is to provide general guidelines and procedures
Engine 2025-06-17 · T-TT-0784-25 Rev1 · Service Bulletin/Repair Instructions
some 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.
Engine 2025-06-13 · T-TT-0784-25 · Service Bulletin/Repair Instructions
some 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.
Electrical System 2025-06-13 · T-SB-0058-23 Rev1 · Service Campaign
the air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. the procedures outlined in this service bulletin aid in locating, inspecting, and repairing refrigerant leaks.
Showing the 6 most recent of 122 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-03-09 · Electrical System:instrument Panel:speedometer/Odometer · 274,000 mi“odometer fraud. the contact purchased a 2021 toyota prius prime. the contact discovered that there was a mileage discrepancy after the purchase. the vehicle was a private sale. at the time of the purchase, the vehicle mileage was 73,000. it was later discovered upon checking the vehicle history report with a local dealer, the contact was informed t…”
2025-10-29 · Service Brakes · 💥 crash“i was slowly entering a handicapped parking place right in front of a business. the distance from the front of the parking space to the building wall was about 15 feet, one car length. i approached the place to stop in the parking spot when in a split second the car violently surged forward and would have crashed into the cinderblock wall had ther…”
2025-09-22 · Back Over Prevention · 27,696 mi“the contact owns a 2021 toyota prius prime. the contact stated that while shifted into reverse(r), the rearview camera intermittently went black. no warning light was illuminated. in addition, the contact stated that while driving at various speeds, the rearview camera intermittently went black. the local dealer was contacted. the vehicle was not d…”
2025-03-30 · Power Train“rodents accessed and damaged the car because there essentials components are not protected.…”
2024-10-20 · Forward Collision Avoidance: Warnings · 💥 crash“my vehicle is equipped with toyota safety sense, which includes full-speed range dynamic radar cruise control (drcc) and a pre-collision system. today, while driving with drcc engaged, my vehicle followed a leading car and appropriately slowed down to 2 mph as we approached a signalized intersection. however, when the leading vehicle changed lanes,…”
2024-07-25 · Vehicle Speed Control · 34,000 mi“the contact owns a 2021 toyota prius prime. the contact stated while driving 45–50 mph and approaching a stop sign, the brake pedal was depressed but the vehicle failed to respond. the driver continued to pump the brake pedal, but the vehicle failed to respond and depressed to the floorboard. the vehicle accelerated, veered across the road, jumped …”
2023-09-20 · Power Train · 80,000 mi“the contact owns a 2021 toyota prius prime. the contact stated that after the vehicle was shifted into park, the key was removed and the contact stepped away from the vehicle, when the vehicle inadvertently started to roll away. as a result, the vehicle rolled into the neighbor’s driveway and grazed another vehicle then stopped. additionally, the c…”
2022-11-06 · Service Brakes · 💥 crash“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.…”
2022-04-03 · Unknown Or Other · 💥 crash“a sticky accelerator caused my 2021 prius to lurch forward into a wall. i was pulling into a parking place when this happened. the front airbag deployed. this is the second time this has happened to me with a prius. in my previous prius it happened to me two years ago. both times the vehicle suddenly lurched forward. it was terrifying.…”
2021-05-12 · Visibility/Wiper · 518 mi“can't see vehicle display screen during bright sunny days, which i find dangerous contacted toyota about issue, they don't care about people safety…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.