2022 Toyota Prius Service and Repair Manual

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Factory-Grade Data

2022 Toyota Prius service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications, torque values, and reference data
  • Electrical diagnostics with full wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
  • Diagnostic trouble codes and troubleshooting flow
  • Maintenance schedules and fluid capacities

Trims covered

  • L Eco
  • LE
  • LE AWD-e
  • Limited
  • Nightshade Edition
  • Nightshade Edition AWD-e
  • XLE
  • XLE AWD-e

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Maintenance & Lubrication
  • Specifications
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Diagnostic Trouble Codes
  • Technical Service Bulletins
  • Wiring Diagrams

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Vehicle Safety Data

2022 Toyota Prius Recalls & Complaints

NHTSA #21V73400022/09/2021Component: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTW

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022 Prius and Prius Prime vehicles. The Engine Control Unit (ECU) software may falsely detect an error and shut down the hybrid

Consequence

A loss of drive power increases the risk of a crash.

Remedy

Dealers will update the ECU software, free of charge. Owner notification letters were mailed Novemb

TSB #11028726

OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete. Please see T-SB-0001-26.

TSB #11028722

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.

TSB #11028712

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

TSB #11020664

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.

TSB #11020658

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.

TSB #11020657

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

TSB #11019332

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

TSB #11018329

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 129 technical service bulletins on file with NHTSA.

20220327Component: AIR BAGSCrash reported1 injured

Airbags never deployed front or side. Vehicle equipped and activated SOS system did not work. vehicle was a total loss and I nearly died in the process

20220327Component: UNKNOWN OR OTHERCrash reported1 injured

Airbags never deployed front or side. Vehicle equipped and activated SOS system did not work. vehicle was a total loss and I nearly died in the process

20250122Component: VEHICLE SPEED CONTROLCrash reported

The contact owned a 2022 Toyota Prius. The contact stated that while idled forward into a parking space at the local car wash, the brake pedal was depressed to stop but the vehicle erroneously acceler

20230919Component: SERVICE BRAKESCrash reported

My husband and I rented a car from Avis on June 19, 2023. THe car they we selected was not available so they picked a prius out of the lot and gave it to us. On the morning of June 20, I was slowly t

20230919Component: AIR BAGSCrash reported

My husband and I rented a car from Avis on June 19, 2023. THe car they we selected was not available so they picked a prius out of the lot and gave it to us. On the morning of June 20, I was slowly t

Showing the 5 most serious of 27 complaints filed with NHTSA.

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