2023 Hyundai IONIQ 6
Problems, Recalls & Reliability Report
Quick Summary
The 2023 Hyundai IONIQ 6 has 76 owner complaints filed with NHTSA — that's 0.9x the segment average of 80. The most common issue is electrical problems (45% of all complaints), specifically: the ioniq 6 is supposed to be able to charge at 48 amps. i bought a new ioniq 6 in early june 2023. june 12 i had the level 2 juice box 48 amp charger installed. at least twice (i think three times), it would stop charging after about twenty minutes — the charge port appears to be overheating in cer.
76
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.9x
vs Segment Avg
Known Problems
ELECTRICAL
34 complaints- • The Ioniq 6 is supposed to be able to charge at 48 amps. I bought a new Ioniq 6 in early June 2023. June 12 I had the level 2 Juice Box 48 amp charger installed. At least twice (I think three times), it would stop charging after about twenty minutes — the charge port appears to be overheating in cer
- • Car's onboard AC charger overheats, I can replicate every time upon charging Poses fire hazard Dealer will not confirm, but TSB's have been issued to reduce the charging current (car no longer charges as advertised at time of purchase) Inspection performed by Ioniq certified dealer Warning first app
- • I have a 2023 Ioniq 5 that was purchased in June, 2023 and an 2023 Ioniq 6 that was purchased in April, 2023. I had a new Chargepoint Home Flex charger installed in April when I purchased my Ioniq 6 and set the charging current to 40 amps. The charger was hardwired directly to my service panel wit
“The Ioniq 6 is supposed to be able to charge at 48 amps. I bought a new Ioniq 6 in early June 2023. June 12 I had the level 2 Juice Box 48 amp charger installed. At least twice (I think three times), it would stop charging after about twenty minutes — the charge port appears to be overheating in cer”
— NHTSA complaint filing
OTHER
9 complaints- • Horn progressively not working. 2 components:high and low frequencies have died and the horn is kaput. Forty still under warranty in my case but seriously concerned for security while driving as this is sudden and unexpected!
- • Horn stopped working 18 months into owning the car. Numerous other drivers report the same issue.
- • The ioniq 6 horn is a two (2) tone horn. First, one (1) of the tones went out (lower tone). Now, the horn completely doesn't work. Reading online, this is a common issue with the 2023 & 2024 ioniq 6. This is the same horn (car is the same platform) as the ioniq 5, and lots of forums online also have
“Horn progressively not working. 2 components:high and low frequencies have died and the horn is kaput. Forty still under warranty in my case but seriously concerned for security while driving as this is sudden and unexpected!”
— NHTSA complaint filing
TRANSMISSION
8 complaints- • While driving in the highway I took my foot off the accelerator and despite one pedal driving being on the car did not brake. I then tapped the brake. When I then pushed the accelerator to keep up with traffic, nothing happened. I checked the screen for warning lights. The car had none. The accelera
- • I was driving, there was a loud pop, then warnings popped up on the dash and I lost power. I was able to limp the car back to my house, because I had just left. I assume it is the ICCU. I’m reporting this because it is a known issue that Hyundai has not seemingly been able to repair. With the p
- • ICCU failure, vehicle disabled while driving leaving me stranded.
“While driving in the highway I took my foot off the accelerator and despite one pedal driving being on the car did not brake. I then tapped the brake. When I then pushed the accelerator to keep up with traffic, nothing happened. I checked the screen for warning lights. The car had none. The accelera”
— NHTSA complaint filing
FUEL SYSTEM
6 complaints- • My Ioniq6 slowed down to 20 mph for the second time tonight. No matter how hard I pressed on the accelerator the car would not speed up past 20 mph. A message on the dashboard said “Limit: 20 mph”. Eventually the car picked up speed then said “Limit: 43 mph”. (The speed limit on University Blvd a
- • Left the house, made it a few miles from the house. Loud pop from the rear seat, warning lights came up on the dash limited power and check electrical system. Was limited to 25mph to drive home. All recalls were done prior to failure. Last recall was done approx 2 weeks prior to failure. ICCU was di
- • When driving the instrument panel displayed a warning message of electrical problem and stop the vehicle. BlueLink displayed failure code P1A9096 indicating ICCVU failure. Drove vehicle to local dealer where the ICCU/fuse was replaced.
“My Ioniq6 slowed down to 20 mph for the second time tonight. No matter how hard I pressed on the accelerator the car would not speed up past 20 mph. A message on the dashboard said “Limit: 20 mph”. Eventually the car picked up speed then said “Limit: 43 mph”. (The speed limit on University Blvd a”
— NHTSA complaint filing
ENGINE
6 complaints- • My Ioniq6 slowed down to 20 mph for the second time tonight. No matter how hard I pressed on the accelerator the car would not speed up past 20 mph. A message on the dashboard said “Limit: 20 mph”. Eventually the car picked up speed then said “Limit: 43 mph”. (The speed limit on University Blvd a
- • The dashboard error code (check vehicle power supply) also in the bluelink app the error code(DTC P1A9096). I was driving the car. It was 196 miles of range. The car suddenly went into turtle mode and then the car just died in the middle of the road. Luckily I was outside my residence. After waiting
- • While driving, "check power system" warning appeared on this 2023 Hyundai Ioniq 6. Moments later an alarm sounded advising to stop driving and turn off engine. I was able to drive to a safe place although the vehicle would not accelerate beyond approximately 15 mph. Car was conveyed by carrier tr
“My Ioniq6 slowed down to 20 mph for the second time tonight. No matter how hard I pressed on the accelerator the car would not speed up past 20 mph. A message on the dashboard said “Limit: 20 mph”. Eventually the car picked up speed then said “Limit: 43 mph”. (The speed limit on University Blvd a”
— 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 76 owner complaints for this specific year, here's what to check or ask about:
- ☐ELECTRICAL: The Ioniq 6 is supposed to be able to charge at 48 amps. I bought a new Ioniq 6 in early June 2023. June 12 I had the level 2 Juice Box 48 amp charger installed. At least twice (I think three times), it would stop charging after about twenty minutes — the charge port appears to be overheating in cer
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: Horn progressively not working. 2 components:high and low frequencies have died and the horn is kaput. Forty still under warranty in my case but seriously concerned for security while driving as this is sudden and unexpected!
Typically appears around 50K miles. Repair cost ~$500
- ☐TRANSMISSION: While driving in the highway I took my foot off the accelerator and despite one pedal driving being on the car did not brake. I then tapped the brake. When I then pushed the accelerator to keep up with traffic, nothing happened. I checked the screen for warning lights. The car had none. The accelera
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: My Ioniq6 slowed down to 20 mph for the second time tonight. No matter how hard I pressed on the accelerator the car would not speed up past 20 mph. A message on the dashboard said “Limit: 20 mph”. Eventually the car picked up speed then said “Limit: 43 mph”. (The speed limit on University Blvd a
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Hyundai IONIQ 6 — 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
- 76
- Recalls
- 0
- Fire reports
- 0
- Crash reports
- 0
- Injury reports
- 2
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2023 Hyundai IONIQ 6