Power Sliding Door (PSD) Obstruction Failure

Recalls have been issued for the power sliding doors due to potential failure of the auto-reverse obstruction feature. This can lead to the door closing on an object or person. Software reprogramming is the typical remedy, but mechanical issues can persist. Estimated repair cost: $200 - $600.

Passenger Seat Occupant Detection System (ODS) Wiring

A recall addresses wiring harness issues for the passenger seat ODS, which could lead to incorrect airbag deployment or non-deployment. The fix involves modifying or replacing clips, but improper repair can leave the system vulnerable. Estimated repair cost: $150 - $400.

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2018 Kia Sedona Maintenance guide

Name: Maintenance dataset for 2018 Kia Sedona
Creator: Carfocal

v1.0Updated Jun 10, 2026Ryan Davis4 Sources Analyzed5 Critical Recalls

MAINTENANCE SUMMARY

The 2018 Kia Sedona requires diligent attention to its airbag control unit and power sliding door systems, which have been subject to critical recalls. Regular maintenance, particularly fluid changes and inspections, is key to mitigating potential issues.

View Critical Issue: Air Bag Control Unit (ACU) Malfunction

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Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

10 TSBs | 8 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

Prioritize recall completion, particularly for the airbag system and power sliding doors.
Regular oil changes with synthetic oil are essential for the 3.3L V6 engine.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance

2018 Kia Sedona Maintenance guide

v1.0Updated Jun 10, 2026Ryan Davis4 Sources Analyzed5 Critical Recalls

MAINTENANCE SUMMARY

View Critical Issue: Air Bag Control Unit (ACU) Malfunction

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$500 - $900

TSBs & Recalls

10 TSBs | 8 Recalls

CarFocal account required

Unlock the Full 2018 Kia Sedona Maintenance Guide

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

Key Takeaways

Prioritize recall completion, particularly for the airbag system and power sliding doors.
Regular oil changes with synthetic oil are essential for the 3.3L V6 engine.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance