Significant number of critical engine failures reported, including sudden loss of power, complete engine seizure, broken valve springs, and lifter/camshaft issues. These can occur at low to moderate mileage. Estimated repair cost: $3,000 - $7,000+.

Electrical System Issues

Complaints include failures with trailer brake control modules, tail lights, and general system malfunctions leading to multiple component failures. Cascading failures affecting various systems are also reported. Estimated repair cost: $200 - $1,500+.

Powertrain/Transmission Failures

Transmission failures are reported, including slipping, hesitation, and complete loss of motive power. These issues can manifest at various mileages, sometimes requiring significant repairs. Estimated repair cost: $2,500 - $5,000+.

Steering System Issues

Reports of steering issues, including loss of steering assist, appear in complaints. These can arise at various mileages and compromise vehicle control. Estimated repair cost: $500 - $1,500+.

CARFOCALvehicle research

2019 GMC Yukon Maintenance guide

Name: Maintenance dataset for 2019 GMC Yukon
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed2 Critical Recalls

MAINTENANCE SUMMARY

The 2019 GMC Yukon demands diligent maintenance, particularly concerning its engine and powertrain. With a 'Below Average' reliability verdict and significant complaints about engine seizure and electrical system failures, owners must prioritize preventative checks.

View Critical Issue: Engine Failures

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Reliability Score

Est. Annual Maintenance Cost

$500 - $800

TSBs & Recalls

209 TSBs | 3 Recalls

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Key Takeaways

Prioritize engine and powertrain maintenance due to documented failure patterns.
Be vigilant for electrical system issues and address them promptly.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance