Power Sliding Door Malfunction

Issues with power sliding doors include failure to open or close, spontaneous opening, and mechanical failures of motors or cables. Estimated repair cost: $300 - $1,500.

Brake System Warnings

Reports of brake system warnings and failures, including issues with brake hoses. Estimated repair cost: $200 - $800.

Electrical System Glitches

Varied electrical issues including battery drain and intermittent power loss. Estimated repair cost: $100 - $500.

CARFOCALvehicle research

2012 Toyota Sienna Maintenance guide

Name: Maintenance dataset for 2012 Toyota Sienna
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed6 Critical Recalls

MAINTENANCE SUMMARY

The 2012 Toyota Sienna requires diligent maintenance, with a notable focus on its power sliding doors and the pervasive Takata airbag recalls. Addressing these known issues proactively is key to managing its 'Below Average' reliability verdict.

View Critical Issue: Air Bag System Issues

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Reliability Score

Est. Annual Maintenance Cost

$500 - $1,000

TSBs & Recalls

215 TSBs | 11 Recalls

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Key Takeaways

Significant safety recalls, including Takata airbags and brake hoses, require owner attention.
Power sliding doors are a frequent source of complaints, with issues ranging from spontaneous opening to mechanical failures.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance