Electrical System Malfunctions

Complaints include issues with mirrors, parking lights, and water intrusion that can affect the radio and climate control systems. These can range from minor annoyances to more significant system failures. Estimated repair cost: $300 - $1,500.

Sunroof Failure (Glass Fracture)

A notable complaint involves a sunroof glass fracturing at highway speed. This is a serious safety concern that could be related to material defects or stress factors. Estimated repair cost: $800 - $2,000.

Steering Rack Failure

Reports of steering rack failure indicate a critical safety risk, directly impacting vehicle maneuverability. This can lead to a sudden loss of steering control. Estimated repair cost: $1,200 - $2,500.

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2017 Cadillac CT6 Maintenance guide

Name: Maintenance dataset for 2017 Cadillac CT6
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2017 Cadillac CT6 presents a mixed maintenance profile. With 23 complaints and 2 recalls, the primary concern revolves around powertrain issues, specifically harsh shifting and shuddering from the 8-speed automatic transmission, alongside electrical system gremlins.

View Critical Issue: Transmission Harsh Shifting/Shuddering

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Reliability Score

Est. Annual Maintenance Cost

$400 - $700

TSBs & Recalls

79 TSBs | 2 Recalls

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Key Takeaways

Prioritize inspection and maintenance of the powertrain, particularly the 8-speed automatic transmission, due to frequent reports of harsh shifting and shuddering.
Be vigilant about electrical system integrity, especially concerning water intrusion that can affect various components.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance