Electrical System Faults

Electrical system issues, often related to lighting circuits, are a common complaint. These can range from minor glitches to complete component failures, potentially impacting vehicle operation. Estimated repair cost: $200 - $1,500+.

Transmission Control Module (TCM) Software Glitch

A recall addressed a potential communication error in the TCM that could prevent the park pawl from engaging. While a software update is the remedy, underlying hardware issues could still arise. Estimated repair cost: $150 - $400 (Software Update).

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2015 Aston Martin DB9 Maintenance guide

Name: Maintenance dataset for 2015 Aston Martin DB9
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2015 Aston Martin DB9 demands diligent attention, particularly to its exterior lighting and electrical systems, which are cited in 50% of complaints. Owners should prioritize inspections for moisture ingress in lighting assemblies and verify the transmission control module software update.

View Critical Issue: Exterior Lighting Failures

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Reliability Score

Est. Annual Maintenance Cost

$1,000 - $2,500

TSBs & Recalls

26 TSBs | 2 Recalls

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Key Takeaways

Prioritize inspection and maintenance of exterior lighting and electrical systems due to common complaints.
Verify that recall campaigns, particularly the transmission control module update, have been completed.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance