Airbag System Malfunction

Complaints indicate potential **airbag non-deployment** during collisions. This is a critical safety concern that requires immediate attention if suspected. Estimated repair cost: $500 - $2,000.

Reports include **transmission shuddering/vibration** and **suspension noises**, potentially related to control arms. Early detection is key to preventing more extensive damage. Estimated repair cost: $300 - $1,500.

Back Over Prevention System Failure

Some owners report a solid blue screen on the **back-up camera** display, potentially due to faulty coaxial cable connectors. This impacts driver visibility. Estimated repair cost: $200 - $600.

CARFOCALvehicle research

2021 GMC Canyon Maintenance guide

Name: Maintenance dataset for 2021 GMC Canyon
Creator: Carfocal

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

MAINTENANCE SUMMARY

The 2021 GMC Canyon presents a mixed maintenance profile with an LLM reliability score of 5.5 and 12 logged complaints. Owners should pay close attention to potential airbag system failures and powertrain issues, as these are frequently cited concerns.

View Critical Issue: Electrical System Fire

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Reliability Score

Est. Annual Maintenance Cost

$400 - $800

TSBs & Recalls

73 TSBs | 3 Recalls

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Key Takeaways

Focus on proactive airbag system checks due to reported non-deployment issues.
Monitor for powertrain symptoms like transmission shudder and suspension noise.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance