Hyundai Ioniq 5
A retro-futrinsic EV on the E-GMP platform. Highly acclaimed, but early cars have been defined by ICCU (Integrated Charging Control Unit) hardware failures and 12V battery management bugs common to the platform.
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Common Faults & Reliability
These are the most common documented problems for the Hyundai Ioniq 5, sorted by their typical impact and frequency.
ICCU Failure (Integrated Charging Control Unit)
high severityThe ICCU handles 12V charging from the high-voltage battery. Internal MOSFETs can fail due to overvoltage spikes, often blowing an internal 40A fuse and causing a total loss of 12V replenishment while driving.
12V Battery Logic & "Orange Light" Confusion
medium severityThe amber dashboard light indicates 12V charging. Logic bugs in early software would stop 12V maintenance if the HV battery dropped below 20%, leading to "bricked" cars even if the HV battery had plenty of charge for systems.
Steering Column Knock/Clunk
medium severityA known issue where a bearing in the steering column or a friction point in the roll connector causes a knock or clicking sound when turning.
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