Every figure in this 2021 Toyota Prius factory service and repair manual was published for this exact year, engine and trim combination, right down to the 1.8L hybrid four-cylinder (2ZR-FXE) under the hood, so the clearances, tightening sequences and service values you work to are the ones Toyota released for this car rather than close-enough numbers carried across from an adjacent model year.
Engines
- 1.8L 1800CC l4 HYBRID Naturally Aspirated
Trims
- 2020 Edition
- L Eco
- LE
- LE AWD-e
- Limited
- XLE
- XLE AWD-e
Known issues on the 2021 Prius. No recalls are on federal record for this model year. Owners have submitted 11 complaints for the year, and Toyota has issued 116 technical service bulletins for the car.
Whether you are tracing a fault of your own, following up one of those 116 bulletins, or bringing an XLE AWD-e to its next service interval, the procedures here hold you to Toyota's own specifications for the 2021 Prius.
OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.
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.
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 Servic
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.
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.
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
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be u
Showing the 8 most recent of 116 technical service bulletins on file with NHTSA.
The car accelerated without my foot on the accelerator, brake did not respond, and I had to drive through grass and a ro
The contact owns a 2021 Toyota Prius. The contact stated while driving approximately 35 - 45 MPH, the vehicle independen
The Lane keeping assist used in radar cruise control mode during some drive cycles will attempt to maintain the vehicle
CARBON MONOXIDE SEEPS INTO THE PASSENGER CAR BUT DILLER CANNOT FIND IT AND DID NOT HAVE TOOLS TO DETECT CO LEVEL IN THE
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 BR
Showing the 5 most serious of 6 complaints filed with NHTSA.
