Recalls & safety ratings

2018 HYUNDAI IONIQ HYBRID

Every NHTSA recall campaign covering the 2018 HYUNDAI IONIQ HYBRID, and the crash-test ratings for the body styles that were tested.
  • 2
    Recalls
  • 13
    Owner complaints
  • 1
    Investigations

Sourced from NHTSA recall and safety-rating data — last checked 5 September 2026.

2 recall campaigns

A campaign usually covers only part of a model year's production, so it may not apply to a particular car. Check the VIN to be certain.

HYBRID PROPULSION SYSTEM: INVERTER

NHTSA campaign 22V459000 · Hyundai Motor America

Summary

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.

Consequence

An overheated PRA increases the risk of a fire.

Remedy

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

HYBRID PROPULSION SYSTEM: INVERTER

NHTSA campaign 18V704000 · Hyundai Motor America

Summary

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.

Consequence

The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.

Remedy

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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

NHTSA 5-Star Safety Ratings

NHTSA crash-tests vehicles and rates them out of five stars. More stars mean a safer car. Ratings are per body style, so a model can appear more than once below.

2018 Hyundai Ioniq Hybrid 5 HB FWD

Overall
Not rated

Frontal crash

Not rated
Driver
Not rated
Passenger
Not rated

Side crash

Not rated
Driver
Not rated
Passenger
Not rated
Pole
Not rated

Rollover

Not rated

0% chance of rollover in a single-vehicle crash.

  • Electronic stability control: Standard
  • Forward collision warning: Optional
  • Lane departure warning: Optional

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