Electrical System Faults

Complaints indicate issues within the electrical system, ranging from intermittent power losses to sensor malfunctions. Specific details are often vague. Estimated repair cost: $200 - $800.

Electronic Stability Control (ESC) Malfunctions

Issues with the ESC system are noted, often linked to brake system problems. This can lead to the ESC warning light illuminating and potential loss of stability control functionality. Estimated repair cost: $500 - $1,500.

Air Bag System Failure

A single complaint noted a failure of the airbags to deploy during a collision, a critical safety concern. Estimated repair cost: $300 - $1,000.

CARFOCALvehicle research

2015 Lexus CT Maintenance guide

Name: Maintenance dataset for 2015 Lexus CT
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed

MAINTENANCE SUMMARY

The 2015 Lexus CT requires diligent attention to its service brake system, which is the most frequent source of owner complaints. Issues such as internal brake accumulator leaks (code C1391) and brake booster/master cylinder problems (code C1214) can significantly impair braking performance and necessitate proactive inspection.

View Critical Issue: Service Brakes System Issues

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

8 TSBs | 0 Recalls

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Key Takeaways

The service brake system is the most frequent complaint area, with issues like internal accumulator leaks (C1391) and brake booster problems (C1214) posing significant risks.
Owners should be vigilant for brake system warning lights, unusual noises, and changes in pedal feel.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance