Electrical System Issues

Complaints include issues with the infotainment screen, power loss, and rodent damage to wiring harnesses. The hybrid inverter has also been a subject of recalls due to potential overvoltage and system shutdown. Estimated repair cost: $200 - $5,000+.

Power Train Malfunctions

While less frequent than brake or electrical issues, some owners report power train concerns, potentially related to the hybrid system's complex operation. Estimated repair cost: $500 - $3,000+.

Vehicle Speed Control Anomalies

Reports of unintended acceleration or issues with vehicle speed control have been noted, sometimes in conjunction with brake system complaints. Estimated repair cost: $100 - $500.

Steering System Concerns

Some complaints mention steering issues, which can impact vehicle control and safety. Estimated repair cost: $200 - $1,000+.

CARFOCALvehicle research

2015 Toyota Prius Maintenance guide

Name: Maintenance dataset for 2015 Toyota Prius
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 Toyota Prius demands vigilant maintenance, particularly concerning its service brakes, which are the most frequent complaint with 65 instances reported. Owners should prioritize inspections of the brake booster, master cylinder, and ABS system to preempt potential failures.

View Critical Issue: Service Brakes Failure

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

151 TSBs | 7 Recalls

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Key Takeaways

Brake System Integrity: The most critical area for inspection and maintenance due to a high volume of complaints and potential safety risks.
Electrical System Health: Vigilance is required for electrical system issues, including wiring harness integrity and hybrid inverter function.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance