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Home›Hyundai›2023 Hyundai Ioniq 5› electrical problems
Owner complaints · Electrical System

2023 Hyundai Ioniq 5 electrical problems

274 of the 387 complaints owners filed with NHTSA about the 2023 Hyundai Ioniq 5 name the electrical system (NHTSA’s “Electrical System” heading — wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading). Filed under the same heading: 24 manufacturer bulletins, 3 recalls, 1 NHTSA investigation. Every figure below is a document in a federal file, linked; none is a failure rate, and none is a verdict on any one car.

274 complaints 71% of this model year’s 5 reports a crash 2 a fire

What owners filed about the electrical system

Source: NHTSA complaint database
274complaints name the electrical system

5 of the 274 reports a crash · 2 a fire · 4 injuries. Self-reported, unverified.

Filed per year: 2023: 40 · 2024: 36 · 2025: 98 · 2026: 100

Too few of these complaints carry an odometer reading to say when the problem shows up.

71%of this model year’s complaints

387 complaints in all about the 2023 Hyundai Ioniq 5, 100 filed in 2026. The whole picture, every system →

Counts are owner reports to NHTSA, not verified defects, and scale with how many of these were sold; nothing here is a rate. NHTSA groups complaints coarsely, so “Electrical System” means the same area of the vehicle, not one fault.

Across model years: Hyundai Ioniq 5 electrical problems, every year on file →

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In owners’ own words

Source: NHTSA complaint database

Filed with NHTSA by the people who own these cars, about the electrical system. Quoted as written, with anything identifying removed; unverified reports — what was said, not a finding that it was true.

When AC charging my car, It quickly overheats and disables charging. I've measured the temperatures at 239°F using OBD reader. The only way to continue charging is to reduce charge amperage. If it is reduced to 32 amps the temperature seems to stabilize before reaching the 240° emergency cut off
Electrical System Jun 22, 2023 NHTSA owner report
Twice this week while charging my Ionic 5 the charging stops before it is completely charged to the set point. Once the set point was at 80% and once at 100%. Both times the charging stopped and I received the message below. None of the reasons listed in message was a cause of the stopping.
Electrical System Jun 22, 2023 NHTSA owner report
Vehicle is supposed to be able to charge at 48A on an AC charger but it does not do this during the months when ambient temperatures are above freezing. Poorly designed thermal management by the manufacturer causes charging to stop when the local temperature at the charge port door exceeds the threshold.
Electrical System Jun 22, 2023 NHTSA owner report
2023 Hyundai Ioniq 5 (SEL, AWD) has bad ICCU (intergrated charging control unit). Will only charge at DC chargers reliably, level 2 or level 1 chargers will only work intermittently. Has been in the shop 2 weeks with no estimated repair date as the ICCU is on backorder.
Electrical System Jun 19, 2023 NHTSA owner report
We purchased our 2023 Ioniq5 approximately 7 months ago. We saw an article in the newspaper about the 2022 Ioniq losing power while driving. That has happened to us 3 times in the last several months so it is not strictly the 2022 model.
Electrical System Jun 19, 2023 NHTSA owner report

What is on file about the electrical system

Source: NHTSA recalls, investigations and manufacturer communications

Recalls filed under this heading

NHTSA investigation

24 manufacturer bulletins filed under this heading

The 3 newest are listed; every one is on the model year’s page. Quote the document number at a service desk — it is a diagnosis the maker has already written down.

Trouble codes named on this system

P1A90 P1B77

Codes a bulletin or an owner’s complaint about the 2023 Hyundai Ioniq 5 names on this model year; a code with a record of its own links it.

Other systems with a record on the 2023 Hyundai Ioniq 5

Source: the same files
From here
Every 2027 model on file, by price Compare two vehicles, trim vs trim See what a VIN was priced at See what owners reported

Common questions

Source: NHTSA complaint database, recalls and manufacturer communications

Are electrical problems common on the 2023 Hyundai Ioniq 5?

They are documented: NHTSA holds 274 owner complaints naming the electrical system on this model year (71% of everything owners filed about it), and 24 manufacturer bulletins, 3 recalls, 1 NHTSA investigation are filed under the same heading. Whether it is a problem on one particular car is a diagnosis, not a count, and a count says nothing about how many were sold.

Is there a recall for the electrical system on the 2023 Hyundai Ioniq 5?

Yes — 3 campaigns are filed under this heading: 26V432000, 24V868000, 24V204000. A recall is matched by VIN; check yours at nhtsa.gov/recalls.

When do electrical problems show up on the 2023 Hyundai Ioniq 5?

Too few of the complaints carry an odometer reading to say. The model year's page shows the mileage curve across every system where it can.

What does NHTSA's "Electrical System" heading cover?

Wiring, modules, batteries, charging, infotainment and driver displays — NHTSA's broadest heading. Owners choose the heading when they file, so it says which area of the vehicle the complaint is about, not which part failed.