Exterior Lighting Failures

Frequent issues with LED brake lights and other exterior lighting components failing prematurely. This is a widespread complaint, suggesting a potential design or quality control issue. Estimated repair cost: $100 - $500.

Complaints include transmission shuddering, rough shifting, and occasional loss of power, indicating potential durability concerns within the drivetrain. Some reports suggest premature transmission or engine component failures. Estimated repair cost: $1,000 - $5,000+.

Electrical System Malfunctions

A notable number of complaints relate to the electrical system, including infotainment glitches, sensor failures, and issues with various electronic modules. These can range from minor annoyances to significant operational problems. Estimated repair cost: $200 - $1,500.

Engine Component Failures

Some owners report issues with internal engine components such as lifters or fuel injectors failing earlier than expected, leading to rough running or performance loss. Estimated repair cost: $500 - $3,000.

Service Brakes Issues

Complaints include loss of brake assist and hard pedal feel, suggesting potential issues with the vacuum pump or related hydraulic components. These failures can significantly impact braking performance. Estimated repair cost: $300 - $1,000.

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2017 GMC Yukon XL Maintenance guide

Name: Maintenance dataset for 2017 GMC Yukon XL
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2017 GMC Yukon XL presents a below-average reliability profile, with significant complaints centered on exterior lighting, powertrain, electrical systems, engine, and service brakes. Owners should prioritize inspections of these critical areas, especially brake systems and LED lighting, to mitigate potential safety risks and repair expenses.

View Critical Issue: Powertrain Issues

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Reliability Score

Est. Annual Maintenance Cost

$300 - $600

TSBs & Recalls

613 TSBs | 3 Recalls

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Key Takeaways

Prioritize inspections and maintenance for exterior lighting, powertrain, electrical systems, engine, and brakes due to high complaint volumes.
Be aware of potential premature failures in engine components and transmission.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance