The engine cooling fan may run continuously even after the engine is shut off. This can be caused by a faulty fan control module or a wiring issue. Estimated repair cost: $300 - $700.

E-Shift Mechanism Engages Park Unexpectedly

The electronic shift lever has been reported to unexpectedly shift into Park. This is a critical safety defect that could lead to the vehicle rolling away. Estimated repair cost: $400 - $1,000.

Electrical System Malfunctions

Various electrical gremlins, including intermittent power loss and system malfunctions, have been noted. These can be linked to wiring harness issues, module failures, or battery problems. Estimated repair cost: $200 - $800.

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2019 Buick LaCrosse Maintenance guide

Name: Maintenance dataset for 2019 Buick LaCrosse
Creator: Carfocal

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

The 2019 Buick LaCrosse, with a 'Below Average' reliability verdict, requires diligent maintenance. Key concerns include potential engine issues and electrical system faults, alongside a critical brake system recall.

View Critical Issue: Loss of Power / Unintended Acceleration

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Reliability Score

Est. Annual Maintenance Cost

$300 - $500

TSBs & Recalls

169 TSBs | 2 Recalls

CarFocal account required

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Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Proactive maintenance is essential due to a 'Below Average' reliability verdict.
Address engine fan operation and potential power loss issues promptly.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance

2019 Buick LaCrosse Maintenance guide

v1.0Updated May 30, 2026Daniel Wilson4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

View Critical Issue: Loss of Power / Unintended Acceleration

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$300 - $500

TSBs & Recalls

169 TSBs | 2 Recalls

CarFocal account required

Unlock the Full 2019 Buick LaCrosse Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Proactive maintenance is essential due to a 'Below Average' reliability verdict.
Address engine fan operation and potential power loss issues promptly.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance