Service Brakes / Electronic Stability Control (ESC) Issues

Complaints and recalls point to potential issues with the service brakes and the Electronic Brake Control Module (EBCM). This includes errors with ABS, StabiliTrak, and cruise control, as well as a critical recall (19V889000) for EBCM software errors that can disable ABS and ESC without warning. Estimated repair cost: $500 - $1,500.

Visibility/Wiper System

A less common but noted issue involves visibility, specifically related to the side mirrors folding up unexpectedly. While not a critical mechanical failure, it can pose a moderate safety risk in traffic. Estimated repair cost: $200 - $500.

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2019 Cadillac CT6 Maintenance guide

Name: Maintenance dataset for 2019 Cadillac CT6
Creator: Carfocal

v1.0Updated May 30, 2026Ryan Davis4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2019 Cadillac CT6, with a 'Below Average' reliability verdict, demands vigilant maintenance, particularly concerning its powertrain. Owners should prioritize addressing transmission issues, which are the most frequent complaint, and be aware of potential brake system anomalies.

View Critical Issue: Powertrain Malfunction

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Reliability Score

Est. Annual Maintenance Cost

$600 - $1,000

TSBs & Recalls

226 TSBs | 6 Recalls

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Key Takeaways

The 2019 Cadillac CT6 has a 'Below Average' reliability verdict.
Powertrain issues, particularly with the automatic transmission, are the most common complaints.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance