2019 Hyundai IONIQ: common problems and reliability

The 2019 Hyundai IONIQ has 32 owner-filed NHTSA complaints and 2 recalls on record. The most-reported areas are electrical system and vehicle speed control. Owners most often flag *iccu (integrated charging control unit) failure — can cause complete vehicle shutdown, triggers dashboard warnings, requires replacement. statistically cited as affecting 1-4% of e-gmp vehicles, but is a very frequent topic of concern and discussion. recall issued. frequency: very frequent (as a topic of concern).

Safety record for the 2019 model year

32
Owner complaints
2
Recalls
9
Crash reports
1
Fire reports

Source: NHTSA complaints and recalls filed for 2019 Hyundai IONIQ vehicles (US, public record).

Where owners report problems

electrical system
12
vehicle speed control
10
power train
6
service brakes
6
fuel/propulsion system
4

Recalls affecting the 2019 IONIQ

wheels:lugs/nuts/bolts/studs

Campaign 19V720000

Hyundai Motor America (Hyundai) is recalling certain 2019 Ioniq Hybrid and 2020 Elantra vehicles. The right-side rear wheel lug nuts may have been insufficiently tightened, allowing the wheel to detach from the vehicle.

electrical system:propulsion system:charging:module:onboard (obcm)

Campaign 21V944000

Hyundai Motor America (Hyundai) is recalling certain 2017-2019 Ioniq electric vehicles. An unstable electrical ground may cause the vehicle to enter a fail-safe mode with reduced acceleration and power. In certain condit…

What owners say across generations

Sentiment varies significantly by model line. For the original IONIQ (Hybrid/PHEV/Electric), feedback is consistently positive, praising it as an underappreciated, efficient, and practical commuter car with low maintenance costs and good value. For the newer E

  • *ICCU (Integrated Charging Control Unit) failure — Can cause complete vehicle shutdown, triggers dashboard warnings, requires replacement. Statistically cited as affecting 1-4% of E-GMP vehicles, but is a very frequent topic of concern and discussion. Recall issued. Frequency: very frequent (as a topic of concern).
  • *12V auxiliary battery failures — Multiple replacements reported within early ownership period on IONIQ 5. Frequency: recurrent.
  • *Software quality — Described as "just ok," clunky, or buggy compared to Tesla; slow infotainment response noted. Frequency: recurrent.
  • *Lack of rear wiper (IONIQ 5) — Cited as a significant oversight affecting rear visibility in poor weather. Frequency: recurrent.
  • *Excessive driver assistance system alerts — Beeps and warnings considered annoying by some owners. Frequency: isolated.

Owner insights cover all generations of the IONIQ.

Other IONIQ model years

2017 IONIQ
Full Hyundai IONIQ owner reportCompare against another car