Service Brakes Malfunctions

Issues with the service brakes, including unintended rolling and warnings related to ESC and One-Pedal Driving, are a significant concern. These can manifest even at low mileage. Estimated repair cost: $400 - $2,000.

Forward Collision Avoidance: Adaptive Cruise Control

Complaints indicate issues with the adaptive cruise control system, potentially leading to unexpected deceleration. This points to sensor or software calibration problems. Estimated repair cost: $300 - $1,500.

While less frequent, steering system issues can arise, impacting vehicle control and driver confidence. Estimated repair cost: $500 - $2,500.

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2024 GMC Hummer EV SUV Maintenance guide

Name: Maintenance dataset for 2024 GMC Hummer EV SUV
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed

MAINTENANCE SUMMARY

The 2024 GMC Hummer EV SUV requires diligent attention to its electrical system and brakes, which are highlighted as top complaint areas. Early-life failures are a concern, necessitating proactive inspections.

Powertrain: Battery Electric (BEV)

View Critical Issue: Electrical System Failures

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Reliability Score

Est. Annual Maintenance Cost

$300 - $600

TSBs & Recalls

48 TSBs | 1 Recalls

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Key Takeaways

Prioritize inspection of the electrical system and service brakes due to frequent complaints.
Be aware of potential early-life failures, particularly in critical systems.

3 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance