The 2014 Toyota Prius has 3 NHTSA recall campaigns affecting an estimated 1,772,424 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 273 complaints with NHTSA, most often about the service brakes. Last updated July 5, 2026.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2013-2015 Prius and 2014-2017 Prius V vehicles not included in recall 18V-684. Excessive voltage in the Intelligent Power Module (IPM) within the inverter may cause the hybrid system to shut down, causing the vehicle to stall while being driven.
Consequence
An unexpected hybrid power system shut down may increase the risk of a crash.
Remedy
Toyota will notify owners, and dealers will perform a software update for the hybrid system. If the vehicle has experienced an inverter failure with certain hybrid system faults related to this condition, the inverter assembly will be repaired or replaced, prior to software update. All repairs will be performed…
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2010-2014 Toyota Prius and 2012-2014 Toyota Prius V vehicles. Excessive voltage in the Intelligent Power Module (IPM) within the inverter may cause the hybrid system to shut down, causing the vehicle to stall while being driven.
Consequence
If the hybrid system shuts down unexpectedly, it can increase the risk of a crash.
Remedy
Toyota will notify owners, and dealers will update the software for the motor/generator control electronic control unit (ECU) and the hybrid control ECU as necessary, free of charge. The recall began January 22, 2019. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is…
Toyota is recalling certain model year 2010 through 2014 Prius vehicles. In the affected vehicles, the Intelligent Power Module (IPM) inside the inverter module (a component of the hybrid system) contains transistors that may become damaged from high operating temperatures. If this occurs, various warning lamps…
Consequence
The vehicle may enter a fail-safe/limp-home mode that limits the drivability of the vehicle. The hybrid system could also shut down completely resulting in a vehicle stall, increasing the risk of a crash.
Remedy
Toyota will notify owners and dealers will update the software for both the motor/generator control electronic control unit (ECU) and the hybrid control ECU, free of charge. If an owner experiences a failure of the inverter before the vehicle receives updated software, the dealer will repair or replace the inverter…
Complaints by component
SERVICE BRAKES
87
15crashes7injuries
ELECTRICAL SYSTEM
30
2crashes1fires
UNKNOWN OR OTHER
23
1crashes
ENGINE
17
AIR BAGS
14
9crashes7injuries
VEHICLE SPEED CONTROL
14
8crashes6injuries
VISIBILITY/WIPER
9
ELECTRONIC STABILITY CONTROL (ESC)
8
2crashes
STEERING
8
SERVICE BRAKES, HYDRAULIC
7
2crashes
Total complaints273
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Car is at less than 105k miles and yet brake actuator is failing.”
“Abs, traction control, brake system, and brake lights turned on while driving. Took the car to the mechanic and pulled the code c1391. It seems from other complaints to nhtsa that it is a common issue and quite dangerous, meaning the brake system is failing.”
“Abs, traction control, brake system, and brake lights turned on while driving. Took the car to the mechanic and pulled the code c1391. It seems from other complaints to nhtsa that it is a common issue and quite dangerous, meaning the brake system is failing.”
“Abs, brake, and traction warning lights came on. Loss of power brakes/limited manual brake. Extended warranty/customer service outreach did not apply. Car is at 120,000 miles and almost 12 years.”
“While driving, three warning lights suddenly appeared on the dashboard . Abs warning, traction light, and break warning light at the same time, the brake pedal became very hard to press, and the vehicle did not slow down as expected. This caused a significant increase in stopping distance, and I…”
“On april 5, 2026, while driving downhill around a corner in my 2014 toyota prius, the brake booster and brake booster pump assembly failed without any prior warning. When I pressed the brake pedal the car did not slow down and instead appeared to accelerate due to a complete loss of braking…”
“Subject: brake booster/pump assembly failure – toyota program zjb / 23te07 description of incident: I am reporting a failure of the brake booster and pump assembly on my 3rd generation prius (82,000 miles). While the vehicle is 11.3 years old, it is well under the 150,000-mile threshold of…”
“The contact owns a 2014 toyota prius. The contact stated that while driving at an undisclosed speed, the vehicle failed to slow down as intended with the brake pedal depressed. The abs warning light was occasionally illuminated. The vehicle was pulled over to the shoulder of the roadway and…”
Defect investigations
InvestigationDP19004 Opened 2019-09-30 · closed 2021-01-21
Brake Actuator Valve Wear
On September 19, 2019, the Office of Defects Investigation (ODI) received a defect petition from Mr. Roger Hogan requesting that the Agency investigate and recall certain Toyota Prius, Prius PHV, Camry Hybrid and Avalon Hybrid vehicles for a brake actuator valve wear condition covered under Toyota Customer Support…
InvestigationDP22005 Opened 2023-01-27 · closed 2023-08-07
Pedestrian alert sounds
NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for…
InvestigationDP23005 Opened 2023-11-22 · open
Brake Actuator Valve Wear
The Office of Defects Investigation (ODI) has received a petition dated September 19, 2023 from the owner of a 2012 Toyota Prius V requesting that ODI reevaluate its decision to deny DP19-004. In the letter, the petitioner reported experiencing an unexpected and complete loss of brake power while driving, accompanied…
InvestigationDP23005 Opened 2023-11-22 · open
Brake Actuator Valve Wear
The Office of Defects Investigation (ODI) has received a petition dated September 19, 2023 from the owner of a 2012 Toyota Prius V requesting that ODI reevaluate its decision to deny DP19-004. In the letter, the petitioner reported experiencing an unexpected and complete loss of brake power while driving, accompanied…
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2014 Toyota Prius as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.