The most frequently reported issue, with numerous complaints detailing brake failure, sudden acceleration, or unexpected deceleration. This is a critical safety concern that requires immediate attention. Estimated repair cost: $375 - $458.

Issues include the 12V battery not holding a charge, key fob malfunctions, and rodent damage to wiring, which can render the vehicle unsafe. Some owners report the car dying unexpectedly or electronics failing to turn off. Estimated repair cost: $150 - $1500.

Vehicle Speed Control

Complaints include issues with cruise control malfunction and, in some cases, unintended acceleration. Estimated repair cost: Variable.

Some owners report rough idling and stalling, often linked to hybrid system warnings. Excessive oil consumption has also been noted in isolated cases. Estimated repair cost: Variable.

Some owners have reported premature failure of wheel bearings, requiring replacement. Estimated repair cost: $300 - $600.

2014 Toyota Prius Maintenance guide

Name: Maintenance dataset for 2014 Toyota Prius
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller23 Sources Analyzed

MAINTENANCE SUMMARY

The 2014 Toyota Prius, known for its 48 MPG combined fuel economy, presents a maintenance profile marked by significant concerns, particularly regarding its service brakes and electrical system. Owners should be vigilant about potential brake system failures and electrical vulnerabilities.

View Critical Issue: Hybrid Inverter/Propulsion System

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Reliability Score

Est. Annual Maintenance Cost

$416

TSBs & Recalls

217 TSBs | 10 Recalls

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Key Takeaways

The most prevalent complaint concerns the service brakes, with numerous reports of failures and unexpected behavior.
Electrical system issues are also common, including battery drain, rodent damage to wiring, and instrument cluster malfunctions.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance