2023 Hyundai IONIQ 5
Problems, Recalls & Reliability Report
Quick Summary
The 2023 Hyundai IONIQ 5 has 608 owner complaints filed with NHTSA — that's 7.6x the segment average of 80. The most common issue is electrical problems (44% of all complaints), specifically: i've owned this car for 4 months now. we own 2 electric cars, 1 ioniq 5 and 1 fiat 500e. we have a level 2 charger in the garage. a month ago i noticed the ioniq stopped charging overnight. when i tried the next day, it charged for about 30 minutes, then i would get a msg on my phone saying charging. ⚠️ 2 fire reports filed.
608
Total Complaints
0
Recalls Issued
—/5
Safety Stars
7.6x
vs Segment Avg
Known Problems
ELECTRICAL
268 complaints- • I've owned this car for 4 months now. We own 2 electric cars, 1 ioniq 5 and 1 Fiat 500e. We have a level 2 charger in the garage. A month ago I noticed the ioniq stopped charging overnight. When I tried the next day, it charged for about 30 minutes, then I would get a msg on my phone saying charging
- • When using i-Pedal (one-pedal driving) mode in this vehicle, it can decelerate at a very fast rate but does not illuminate the brake lights unless the driver’s foot is completely off the pedal. For example, I can be driving 60mph and decelerate to ~2mph as quickly as other drivers coming to a compl
- • 12V battery does not seem to be charging. After 2 days of not being driven, 12v battery status is too low to start the car. Jump starting works but same think occurs after couple of days of not driven.
“I've owned this car for 4 months now. We own 2 electric cars, 1 ioniq 5 and 1 Fiat 500e. We have a level 2 charger in the garage. A month ago I noticed the ioniq stopped charging overnight. When I tried the next day, it charged for about 30 minutes, then I would get a msg on my phone saying charging”
— NHTSA complaint filing
TRANSMISSION
71 complaints- • When using the most aggressive braking energy recovery mode in the Hyundai Ioniq 5 (i-Pedal), the brake lights do not illuminate despite the aggressive nature of the braking provided by this mode. This mode brings the car to a full and complete stop and is very similar to commanded braking via the b
- • EV goes into power limited mode when on interstate when going ~50 miles while driving 70mph or more. Happened each of my 3 times on interstate of about that distance. First time was Sat 4/29 while in eco mode with 70% battery and 82°F outside, 1 hr drive 50+ miles. Second time was in normal mode Fr
- • Occasionally, the vehicle sometimes doesn't start and allow me to engage to Drive gear from being turned off/Parked. I sometimes have to turn the car off and back on 1-2 times for the car to start like normal and allow me to select drive or reverse. Additionally, I have never been able to succes
“When using the most aggressive braking energy recovery mode in the Hyundai Ioniq 5 (i-Pedal), the brake lights do not illuminate despite the aggressive nature of the braking provided by this mode. This mode brings the car to a full and complete stop and is very similar to commanded braking via the b”
— NHTSA complaint filing
FUEL SYSTEM
66 complaints- • 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. This issue is affecting a
- • 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. One time was particularly scary as I was entering a busy freew
- • The charging system in the 2023 Ioniq 5 has multiple issues with connectivity and charging above a certain threshold. When charging at home using an electrician certified install by Merit and a county approved installation and Emporia EVSE 48A charger, the car prompts with a message that reads "Elec
“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. This issue is affecting a ”
— NHTSA complaint filing
OTHER
44 complaints- • 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. I have c
- • Sometimes, the batteries trip while charging and don’t recharge, don’t charge at the expected speeds, or only charge partially. Recently, when charging at home all night and plugged into our Level 2 charger, I find find that the car has not charged at all overnight.
- • Level 2 charging at home interrupting. I charge with a level 2 24a in my dryer outlet and my ionic 5 sel 2023 rwd interrupt its charging 2 times. I had to force my shelf to continue.
“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. I have c”
— NHTSA complaint filing
ENGINE
37 complaints- • What component or system failed or malfunctioned: Rear electric motor. Specifically the "engine oil pump" that is used to cool the rear motor. The pump does not respond to MCU commands and does not cool the motor. This causes the motor to overheat after about an hour of highway driving causing the m
- • EV goes into power limited mode when on interstate when going ~50 miles while driving 70mph or more. Happened each of my 3 times on interstate of about that distance. First time was Sat 4/29 while in eco mode with 70% battery and 82°F outside, 1 hr drive 50+ miles. Second time was in normal mode Fr
- • While driving on the highway, after about 45 minutes, the electric vehicle goes into Turtle power-limited mode. The vehicle instantly reduces in speed from 70mph to as low as 35 - 45 mph. There are no warning lights or sounds. If you immediately stop the car and let it sit, it will work again tem
“What component or system failed or malfunctioned: Rear electric motor. Specifically the "engine oil pump" that is used to cool the rear motor. The pump does not respond to MCU commands and does not cool the motor. This causes the motor to overheat after about an hour of highway driving causing the m”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 608 owner complaints for this specific year, here's what to check or ask about:
- ☐ELECTRICAL: I've owned this car for 4 months now. We own 2 electric cars, 1 ioniq 5 and 1 Fiat 500e. We have a level 2 charger in the garage. A month ago I noticed the ioniq stopped charging overnight. When I tried the next day, it charged for about 30 minutes, then I would get a msg on my phone saying charging
Typically appears around 50K miles. Repair cost ~$500
- ☐TRANSMISSION: When using the most aggressive braking energy recovery mode in the Hyundai Ioniq 5 (i-Pedal), the brake lights do not illuminate despite the aggressive nature of the braking provided by this mode. This mode brings the car to a full and complete stop and is very similar to commanded braking via the b
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: 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. This issue is affecting a
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: 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. I have c
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Hyundai IONIQ 5 — Year Comparison
How does 2023 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 608
- Recalls
- 0
- Fire reports
- 2
- Crash reports
- 30
- Injury reports
- 10
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2023 Hyundai IONIQ 5