Complaints indicate critical powertrain issues, including automatic transmission failures and fluid leaks, occurring at very low mileage. Some reports suggest the vehicle may roll when not in park. Estimated repair cost: $1,500 - $5,000+.

Electrical System Failures

Multiple complaints detail electrical system failures, primarily concerning the charging system. This can lead to stalling, loss of power, and loss of steering assist, often at very low mileage. Estimated repair cost: $300 - $1,000.

Infotainment System Failures

Some owners report failures with the infotainment system, impacting navigation and OnStar functionality. Manufacturer fixes have reportedly been unavailable for some of these issues. Estimated repair cost: $500 - $1,500.

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2025 Chevrolet Trailblazer Maintenance guide

Name: Maintenance dataset for 2025 Chevrolet Trailblazer
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2025 Chevrolet Trailblazer, with 13 complaints and 129 TSBs, presents below-average reliability concerns, particularly with its powertrain and electrical systems. Owners should prioritize inspections for charging system issues and transmission performance, as these are the most frequently reported problems at low mileage.

View Critical Issue: Powertrain Failures

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Reliability Score

Est. Annual Maintenance Cost

$300 - $600

TSBs & Recalls

129 TSBs | 0 Recalls

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Key Takeaways

Focus on preventative maintenance for the powertrain and electrical systems due to early-life failure reports.
Address any charging system warnings or transmission performance anomalies immediately.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance