Passenger Occupant Classification System Malfunction

The sensor in the passenger seat mat can malfunction, leading to incorrect airbag deployment status. This was a subject of a safety recall. Estimated repair cost: $400 - $800.

Auxiliary Heater Connector Wiring

The connector for the auxiliary heater can experience issues, potentially leading to electrical problems. A recall addressed this vulnerability. Estimated repair cost: $200 - $400.

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2015 Audi A6 Maintenance guide

Name: Maintenance dataset for 2015 Audi A6
Creator: Carfocal

v1.0Updated Jun 2, 2026Daniel Wilson4 Sources Analyzed3 Critical Recalls

MAINTENANCE SUMMARY

The 2015 Audi A6 requires diligent maintenance, with a significant focus on its cooling system due to critical recalls. Expect an average reliability verdict, underscored by 660 Technical Service Bulletins (TSBs) indicating potential for complex, costly repairs beyond standard service.

View Critical Issue: Electric Coolant Pump Failure

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Reliability Score

Est. Annual Maintenance Cost

$800 - $1,200

TSBs & Recalls

660 TSBs | 4 Recalls

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Key Takeaways

Proactive cooling system maintenance is essential due to critical recalls.
A high TSB count suggests potential for complex, non-routine repairs.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance