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Hyundai · Compact SUV · 2021–2026 Custom Search

Hyundai Ioniq 5 NE

Weaknesses, engine ratings and buying advice

★★★★★
1.0 / 5.0 · Based on 1 engine variants · How we rate

Generations

Engine Overview

The Hyundai Ioniq 5 NE is available with one engine variant at 135 hp.

E-GMP Permanentmagnet-Motor · Electric· 170–325 PS
2021 2024

High-output permanent-magnet motor on the E-GMP platform. 800V ultra-fast charging and outstanding efficiency.

  • !! Recall: ICCU control unit failure (charging loss) from 30,000 km

    The Integrated Charging Control Unit (ICCU) can be damaged by electrical overload and no longer charge the 12V battery. The vehicle progressively loses all electrical functions while driving.

    Symptoms: Dashboard warnings and beeping, progressive power loss, vehicle enters emergency mode, 12V battery not charging.
    0–0 $
    Ad ICCU Ioniq 5Integrated Charging control unit E-GMP36620-GI000
  • !! ICCU failure (Integrated Charging Control Unit) from 50,000 km

    The ICCU (Integrated Charging Control Unit) of the E-GMP platform is a systemic weak point: defective transistors/MOSFETs or software faults cause the 12V battery to no longer be charged. Typical failure pattern: vehicle loses power progressively while driving.

    Symptoms: Warning 'Limited power', fault code P1A9096, 12V battery flat, vehicle no longer driveable
    1,500–4,000 $
    Ad ICCU Ioniq 5Ladecontrol unit E-GMPICCU Hyundai Ioniq 5 OBC
  • !! Driveshaft breakage (recall) from 30,000 km

    Defective heat treatment by a supplier led to driveshafts on the Ioniq 5 and 6 (production 2021–2023) that could break. Recall 41D022 affected 155,760 vehicles worldwide, including 46,604 in Germany.

    Symptoms: Sudden loss of drive, noises from drivetrain, vehicle coasts to a stop
    0–0 $
    Ad drive shaft Ioniq 5drive shaft E-GMP recall 41D022propshaft Ioniq 5

+ 4 more engine weaknesses + vehicle weaknesses

Vehicle Weaknesses

WeaknessCost
✖ICCU failure: 12V battery charging unit defective

The Integrated Charging Control Unit (ICCU) can fail and no longer charge the 12V battery. Power loss while driving follows. Several recall actions known; ICCU replacement often takes weeks due to supply shortages.

Symptoms: 'Limited Power' warning; fault code P1A9096; sudden loss of drive; 12V systems fail
from 40,000 km
Ad ICCU Ioniq 5 NEIntegrated charger Hyundai 36400-GI070
 High
✖DC fast charging: loose HV cable connector or charging fault

A loose screw connection on the HV cable connector near the CCS port can completely disable DC fast charging. In winter charging power drops to 45–55 kW instead of 220 kW.

Symptoms: Charging station shows error; no DC charging possible; charging session stops unexpectedly; significantly reduced charging speed
from 30,000 km
Ad CCS charge port Ioniq 5HV cable connection Hyundai
 Medium
✖ICCU defect drains 12V battery and immobilises vehicle

The Integrated Charging Control Unit (ICCU) overcharges the 12-volt battery with up to 14.7V and permanently damages it. When the ICCU fails the vehicle cannot be started; Hyundai has initiated multiple worldwide recalls.

Symptoms: 12V battery flat despite charged high-voltage battery, vehicle cannot be activated, ICCU fault message
from 20,000 km
Ad ICCU Hyundai Ioniq 5 NEDC/DC converter Ioniq 512V battery Ioniq 5 NE
 High
●Infotainment system freezes or responds slowly

The large 12-inch display on the Ioniq 5 occasionally freezes or responds slowly. Software updates bring some improvement; the issue is widely known.

Symptoms: Touchscreen unresponsive, OTA update fails, system reboots
from 20,000 km
Ad Infotainment Ioniq 5Software update Ioniq 5
 Low
●230V socket — system error

Connecting devices to the Ioniq 5's 230V interior socket triggers the 'Check BEV electrical system' error. The cause lies in the V2L unit control logic; a software update resolves the issue.

Symptoms: Error message when using 230V socket, V2L deactivated, warning on display
from 5,000 km
Ad V2L module Hyundai Ioniq 5 NE230V socket Ioniq 5
 Low

Test Reports

tuev

TÜV Report 2026

Above average

The Ioniq 5 delivers above-average MOT results and is among the best electric vehicles in the TÜV comparison.

2025-11
pannenstatistik

ADAC Breakdown Statistics 2025

Below average

The Ioniq 5 stands out with high breakdown frequency due to a defective charging control unit (ICCU).

2025-04
NHTSA Owner Complaints
Below average
1,158 complaints · 2021–2026
  1. 01 Electrical
    863 ⚠ 6
  2. 02 Fuel System
    238 ⚠ 1
  3. 03 Powertrain
    228 ⚠ 2
  4. 04 Engine
    103
  5. 05 Other
    99 ⚠ 1

Top Reported Issues

⚠ Electrical (863 complaints)
⚠ Fuel System (238 complaints)
⚠ Powertrain (228 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues +

A total of 16 weaknesses have been documented for the Hyundai Ioniq 5 NE (2021–2026) — 7 engine-related and 9 vehicle-related. One problem engine: EM17 (E-GMP Permanentmagnet-Motor). Typical issues affect Electronics, Other, Interior.

Ioniq 5 (EM17, 2021–2024) — Stay Away!: Recall: ICCU control unit failure (charging loss), ICCU failure (Integrated Charging Control Unit), Driveshaft breakage (recall). Power: 170 PS.

Ioniq 5 (EM17, 2021–2024) — Stay Away!: Recall: ICCU control unit failure (charging loss), ICCU failure (Integrated Charging Control Unit), Driveshaft breakage (recall). Power: 229 PS.

Ioniq 5 (EM17, 2021–2024) — Stay Away!: Recall: ICCU control unit failure (charging loss), ICCU failure (Integrated Charging Control Unit), Driveshaft breakage (recall). Power: 325 PS.

What to watch out for with the Hyundai Ioniq 5? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Hyundai Ioniq 5 NE have? +
The Hyundai Ioniq 5 NE has 7 known engine weaknesses and 9 vehicle weaknesses.
What should I look for when buying a used Hyundai Ioniq 5 NE? +
faq.watch_a_avoid
Which engine is recommended? +
None of the available engines are rated 'Good Choice'. Stay away! The most fun to drive is the EM17 (E-GMP Permanentmagnet-Motor). Problem engine: EM17 (E-GMP Permanentmagnet-Motor) — stay away!
Which Hyundai Ioniq 5 NE engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Hyundai Ioniq 5 NE — rated: "Legendary!". {description} The Ioniq 5 N with 650 hp is an absolute weapon: brutally fast, with simulated gear shifts that somehow work, an electronic diff lock, and the best brakes of any EV. This thing rewrites the rules.
Is the Hyundai Ioniq 5 NE worth buying used? +
Caution is advised with the Hyundai Ioniq 5 NE — 1 of 1 engine variants are rated 'Stay Away!'. The engine choice is crucial.
What horsepower variants are available for the Hyundai Ioniq 5 NE? +
The Hyundai Ioniq 5 NE is available with engine variants from 135 to 325 hp.

Last updated: February 2026 · All information without guarantee