Electrical System Issues (General)

Beyond the ICCU, owners report various electrical system faults, including charging port overheating and intermittent 12V battery drain. These can impact charging performance and overall vehicle reliability. Estimated repair cost: $200 - $1,500.

Forward Collision Avoidance System Malfunctions

Complaints include false activations of the Forward Collision Avoidance (FCA) system and instances where the system fails to engage. These issues can be related to sensor calibration or module faults. Estimated repair cost: $300 - $1,000.

CARFOCALvehicle research

2022 Hyundai Ioniq 5 Maintenance guide

Name: Maintenance dataset for 2022 Hyundai Ioniq 5
Creator: Carfocal

v1.0Updated May 30, 2026Ethan Miller4 Sources Analyzed1 Critical Recalls

MAINTENANCE SUMMARY

The 2022 Hyundai Ioniq 5 exhibits a 'Below Average' reliability verdict, primarily due to significant issues with the Integrated Charging Control Unit (ICCU) and related 12V battery problems, which can cause loss of motive power and charging failures. Addressing these electrical system concerns proactively is paramount for owners.

View Critical Issue: Integrated Charging Control Unit (ICCU) Failure

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$300 - $600

TSBs & Recalls

5 TSBs | 13 Recalls

CarFocal account required

Unlock the Full 2022 Hyundai Ioniq 5 Maintenance Guide

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

Key Takeaways

Focus on proactive inspection of the Integrated Charging Control Unit (ICCU) and 12V battery due to high failure rates.
Regularly check for software updates, especially those concerning charging and power systems.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance