Engine Control Module (ECM) Software Issues

Recalls address potential unintended power reduction due to ECM software logic. This can manifest unexpectedly during driving, posing a safety risk. Estimated repair cost: $150 - $300.

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2021 Infiniti Q50 Maintenance guide

Name: Maintenance dataset for 2021 Infiniti Q50
Creator: Carfocal

v1.0Updated Jun 4, 2026Ethan Miller4 Sources Analyzed7 Critical Recalls

MAINTENANCE SUMMARY

The 2021 Infiniti Q50, with an average reliability verdict, requires diligent attention to its suspension and steering systems due to significant recalls. Regular inspections and adherence to maintenance schedules are crucial for mitigating potential issues.

View Critical Issue: Suspension and Steering Component Defects

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Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

3 TSBs | 14 Recalls

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Key Takeaways

Prioritize inspection of suspension and steering components due to significant recall history.
Ensure engine control module software updates are applied.

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Critical service intervals

Common failure analysis

Symptoms and prevention guidance