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2018 Toyota Prius

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2018 Toyota Prius do not stand out strongly from the model-year median of 164.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

25 reports with mileage · 11 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Exterior Lighting. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Visibility/wiper. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Vehicle Speed Control. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports0 fire reports2 injury reports

Electrical System complaints

2 reports
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Mileage unknown · Aug 26, 2025
Electrical System

Driver door lock actuator not working. This seems to be a common problem for Toyota over the last decade, but they yet to put more vehicles to their recall list. Actuator just stopped working. I have to use key out of FOB to manually open. This is a safety issue if I’m trying to get in my car quickly for safety reasons and it do…

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Driver door lock actuator not working. This seems to be a common problem for Toyota over the last decade, but they yet to put more vehicles to their recall list. Actuator just stopped working. I have to use key out of FOB to manually open. This is a safety issue if I’m trying to get in my car quickly for safety reasons and it does not open.

NHTSA ODI #11683274

19,100 miles · Jan 2, 2020
Electrical System

ERROR CODES P0113 AND P0102 AND WARNING MESSAGES FOR CHECK ENGINE AND ICS MALFUNCTION* LAPPEARED WHEN STARTING THE GARAGED VEHICLE IN APPROXIMATELY 55F ROOM TEMPERATURE. TOYOTA OF ESCONDIDO AND TOYOTA'S CUSTOMER CARE TELEPHONE CENTER EXPLAINED THAT THEY WILL NOT INSPECT (ALTHOUGH UNDER THE 3-YEAR/36,000 MILES WARRANTY) WITHOUT …

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ERROR CODES P0113 AND P0102 AND WARNING MESSAGES FOR CHECK ENGINE AND ICS MALFUNCTION* LAPPEARED WHEN STARTING THE GARAGED VEHICLE IN APPROXIMATELY 55F ROOM TEMPERATURE. TOYOTA OF ESCONDIDO AND TOYOTA'S CUSTOMER CARE TELEPHONE CENTER EXPLAINED THAT THEY WILL NOT INSPECT (ALTHOUGH UNDER THE 3-YEAR/36,000 MILES WARRANTY) WITHOUT A SERVICE FEE. ONLINE, REPORTS THAT A FAILING 12V BATTERY MAY CAUSE MULTIPLE CODES TO BE TRIGGERED WERE ALSO MET WITH A REQUEST FOR A $110 DIAGNOSTIC FEE. THE BATTERY IS ALSO UNDER THE 3-YEAR/36,000 MILE WARRANTY. ERROR CODES AND MESSAGES IMPLICATE FUEL EFFICIENCY, POLLUTION AND SAFETY ISSUES. *ICS IS THEIR COLLISION SENSOR SYSTEM.

NHTSA ODI #11296751

Official recalls

1

18V579000 · Electrical System:wiring

Sep 5, 2018

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2016-2018 Toyota Prius vehicles. A portion of the engine wire harness connected to the hybrid Power Control Unit (PCU), could contact the cover at this connection and wear, causing an electrical short circuit.

Consequence & remedy

Consequence: An electrical short can increase the risk of a fire.

Remedy: Toyota will notify owners, and dealers will inspect the engine wire harness assembly and replace it if damage is found. A protective sleeve or protective tape will be included to prevent any future damage. These repairs will be performed free of charge. The recall began October 30, 2018. Owners may contact Toyota customer service at 1-888-270-9371. Toyota's number for this recall is J0T.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

DP22005 · Pedestrian Alert Sounds

Opened Jan 27, 2023 · Closed Aug 7, 2023

Status: closed (inferred from source dates) · Electrical System:propulsion System

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 pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matter described in the petition. On June 24, 2023 and as supplemented on June 25, 2023, the petitioner notified NHTSA he was withdrawing his petition. The petitioner indicated that, based on his review of data, there is no justification for asserting potential benefits that could be derived from actions sought by my petition. Based on the petitioner's withdrawal, DP22-005 is closed. Closure of this DP does not represent a determination by NHTSA regarding the subject matter of the petition.