CarRecallDB

2018 Hyundai Ioniq Plug-IN Hybrid recalls and problems

1 recall and 4 owner complaints on file with NHTSA for the 2018 Hyundai Ioniq Plug-IN Hybrid.

1
recalls
4
owner complaints
0
complaints mentioning a crash
0
mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2018 Hyundai Ioniq Plug-IN Hybrid recalls

Hybrid propulsion system: inverter

NHTSA campaign 22V459000 · reported June 28, 2022 · Hyundai Motor America · 10,575 vehicles potentially affected

The problem
Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Ioniq HEV and Ionic PHV vehicles previously recalled under recall number 18V-704. The Power Relay Assembly (PRA) located underneath the rear seat may overheat.
The risk
An overheated PRA increases the risk of a fire.
The fix
Dealers will inspect and replace the main relay or PRA, as necessary, free of charge. Owner notification letters were mailed August 23, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 232. This recall replaces NHTSA recall number 18V-704. Vehicles already repaired under the previous recall will need to have the new remedy completed.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

May 13, 2026 · Unknown or other

I am writing to dispute the denial of my paint defect warranty claim formally and to demand that Hyundai Motor America reconsider its decision. My 2018 Hyundai Ioniq (Silver, VIN: […] ) is exhibiting significant paint bubbling — the identical defect that Hyundai has already acknowledged and accepted responsibility for…

Jul 5, 2022 · Structure · 12,000 miles

The contact owns a 2018 Hyundai Ioniq Hybrid. The contact stated that upon inspection, it was discovered that both the passenger’s side front and rear carpets had become soaked with water and condensation from the operation of the air conditioning unit. The contact was also concerned that mold was present due to the…

Jan 14, 2022 · Visibility/wiper

Sunglass holder would randomly come down and block rear view mirror completely. Unable to see the back.

Nov 5, 2021 · Engine and engine cooling

I have put around 31K miles in my car. Day before yesterday ( Nov-2 ) when I was driving back home from work, suddenly I heard a noise. I pulled over and stopped the car. when I got down and checked, I noticed exhaust system or something similar to that fell off and touching the road. I have seen similar issues posted…

Ioniq Plug-IN Hybrid model years compared

YearRecallsComplaintsCrashesFires
2017 1000
2018 1400
2019 01130
2020 0621
2021 0500

All Hyundai Ioniq Plug-IN Hybrid years →

Questions

Does the 2018 Hyundai Ioniq Plug-IN Hybrid have any recalls?
Yes. NHTSA lists 1 recall for the 2018 Hyundai Ioniq Plug-IN Hybrid, the most recent reported on June 28, 2022 (Hybrid propulsion system: inverter). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2018 Hyundai Ioniq Plug-IN Hybrid?
Owners have filed 4 complaints with NHTSA. The most frequently reported area is engine and engine cooling (1 complaints), followed by structure (1).
How many 2018 Hyundai Ioniq Plug-IN Hybrid complaints mention a crash or fire?
0 of 4 complaints report a crash and 0 a fire; 0 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received May 13, 2026.