2017 Hyundai IONIQ: common problems and reliability

The 2017 Hyundai IONIQ has 48 owner-filed NHTSA complaints and 5 recalls on record. The most-reported areas are electrical system and engine. 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 2017 model year

48
Owner complaints
5
Recalls
5
Crash reports
2
Fire reports

Source: NHTSA complaints and recalls filed for 2017 Hyundai IONIQ vehicles (US, public record).

Where owners report problems

electrical system
19
engine
10
power train
7
hybrid propulsion system
7
vehicle speed control
5

Recalls affecting the 2017 IONIQ

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…

hybrid propulsion system

Campaign 17V532000

Hyundai Motor Company (Hyundai) is recalling certain 2017 Ioniq Electric Vehicles. Manufacturing defects within the Electronic Power Control Unit (EPCU) may allow coolant to contact the unit's circuit board.

hybrid propulsion system: inverter

Campaign 18V704000

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…

hybrid propulsion system

Campaign 18V260000

Hyundai Motor America (Hyundai) is recalling certain 2017 Hyundai Ioniq Hybrid vehicles. The Hydraulic Clutch Actuator (HCA) inner oil seal may leak, allowing oil to accumulate in the cap area, possibly resulting in an e…

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

2019 IONIQ
Full Hyundai IONIQ owner reportCompare against another car