2018 Hyundai Ioniq Hybrid Problems, Complaints & Recalls
- Compared with other Ioniq Hybrid years
- Fewer complaints than other years 5th of 6 for complaints
- Safety recalls
- 2 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 13 complaints with NHTSA about the 2018 Hyundai Ioniq Hybrid. That ranks 5th out of 6 Ioniq Hybrid model years for complaints. The most reported problem area is electrical system (3 complaints, 23%), typically at around 2,650 miles. Complaints mention 2 crashes, 2 injuries. There are 2 safety recalls covering this model year. NHTSA has opened 1 defect investigation involving it.
- 13owner complaints
- 2safety recalls
- 1NHTSA investigations
- 2complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2018 Hyundai Ioniq Hybrid problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 3 | 23% | 2,650 | — | — |
| Engine | 3 | 23% | 4,300 | — | — |
| Power Train | 3 | 23% | 18,300 | — | — |
| Unknown or Other | 3 | 23% | 1,000 | — | — |
| Vehicle Speed Control | 2 | 15% | 350 | — | — |
| Air Bags | 1 | 8% | 85,000 | — | — |
| Service Brakes | 1 | 8% | 3,000 | — | — |
| Steering | 1 | 8% | — | — | — |
| Visibility/wiper | 1 | 8% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2018 Hyundai Ioniq Hybrid recalls (2)
Tap a recall to see the problem, the risk and the fix.
Hybrid propulsion system: inverter
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.
Risk: An overheated PRA increases the risk of a fire.
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.
Hybrid propulsion system: inverter
Problem: Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Hyundai Ioniq Hybrid and 2018 Ioniq Plug-In Hybrid vehicles. The Main Relay within the Power Relay Assembly (PRA) may have inadequate connections between its contacts, causing increased electrical resistance.
Risk: The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.
Fix: Hyundai will notify owners, and dealers will inspect the Power Relay Assembly (PRA) for damage. If no damage is found, the main relay will be replaced. If damage is found, the PRA will be replaced. These repairs will be performed free of charge. The recall began February 28, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 178.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
NHTSA defect investigations
- Pedestrian alert sounds (DP22005) — opened Jan 27, 2023, closed Aug 7, 2023, led to recall 22V063000.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
My 2018 Hyundai Ioniq Hybrid has a safety-critical transmission defect. The vehicle slips violently from 1st to 2nd gear, loses acceleration, and causes unpredictable hesitation. This creates a danger when merging onto highways or crossing intersections. Hyundai refused goodwill assistance, denied…
The contact owned a 2018 Hyundai Ioniq Hybrid. The contact stated while driving 75 MPH with her aunt in the front passenger's side seat, another vehicle suddenly merged into the contact's lane, causing the passenger's side of the vehicle to crash into the driver's side of the other vehicle. The…
The clutch failed and the clutch and I believe the clutch actuator had to be replaced. It was not available for inspection upon request. My safety and the risk of others were compromised by the constant jerking and sputtering, of the gears that took place during vehicle operation. My acceleration…
The car engine started to stall, the engine light came on and advised me to shut off engine then I pulled over and smoke immidiatley filled the cabin and outside the hood. My engine could have blown up. Had I not pulled over so quickly my car would have caught fire and I would have died. Yes the…
My lcd screen constantly goes black. A couple times the steering wheel locked the wipers and washer fluid went off at the same time. I had to hit the brakes and power the car on and off to reset it while making a turn. When having my window motor replaced for the SECOND time my dash where the speed…
Other Hyundai Ioniq Hybrid years
← 2017 Ioniq Hybrid · 2019 Ioniq Hybrid →
| Year | Complaints | Recalls |
|---|---|---|
| 2022 Ioniq Hybrid | 24 | 0 |
| 2021 Ioniq Hybrid | 13 | 0 |
| 2020 Ioniq Hybrid | 17 | 0 |
| 2019 Ioniq Hybrid | 16 | 1 |
| 2018 | 13 | 2 |
| 2017 Ioniq Hybrid | 42 | 3 |
See all Hyundai Ioniq Hybrid problems by year, every Hyundai model, or the Hyundai VIN decoder.
Similar Hyundai models
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Frequently asked questions
What are the most common problems with the 2018 Hyundai Ioniq Hybrid?
Owners most often report electrical system, engine, power train problems. The top one, electrical system, accounts for 3 complaints.
Was there a recall on the 2018 Hyundai Ioniq Hybrid?
Yes, 2 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2018 Hyundai Ioniq Hybrid a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Ioniq Hybrid model years, the 2018 has fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.