How many complaints have been filed for the 2020 Toyota Prius?

23 consumer complaints have been filed with NHTSA for the 2020 Toyota Prius.

Are there technical service bulletins (TSBs) for the 2020 Toyota Prius?

There are 145 technical service bulletins (TSBs) on file with NHTSA for the 2020 Toyota Prius.

2020 Toyota Prius Service and Repair Manual

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Factory-Grade Data

2020 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
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

2020 Toyota Prius Recalls & Complaints

No active recalls The 2020 Toyota Prius has no recalls on file with NHTSA.

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

Showing the 8 most recent of 145 technical service bulletins on file with NHTSA.

20250818Component: AIR BAGSCrash reported2 injured

I was the victim of an accident on [XXX]. The person of the other vehicle that collided with my vehicle after crossing at high speed and without stopping in the red light. The sensors of the anti-coll

20250818Component: UNKNOWN OR OTHERCrash reported2 injured

20250818Component: FORWARD COLLISION AVOIDANCE: WARNINGSCrash reported2 injured

20200812Component: SERVICE BRAKESCrash reported2 injured

MY DAD WAS DRIVING ON THE HIGHWAY. HE SAID THAT HE STEPPED ON THE BRAKES AND THE BRAKES DID NOT WORK. HE GOT INTO AN ACCIDENT IN WHICH THE ALL AIRBAGS WERE DEPLOYED AND THE CAR WAS TOTALED. THE CAR O

20250913Component: SERVICE BRAKESCrash reported1 injured

I TURNED LEFT INTO A PARKING SPACE IN MY 2020 PRIUS. I STEPPED ON THE BRAKE, AND MY CAR SHOT FORWARD. I COULDN'T STOP IT, AND IT HIT A CONCRETE POLE. IT ONLY TOOK 1 SECOND. IT SEEMS TOYOTA HYBRIDS AR

Showing the 5 most serious of 23 complaints filed with NHTSA.

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