HYUNDAI IONIQ HYBRID (2018) recall — Hybrid Propulsion System
Hyundai is recalling 2017-2018 Ioniq Hybrids due to potential rear seat overheating and fire risk from electrical issues in the Power Relay Assembly.
Use caution until it’s fixed
The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.
Contact the company & request your remedy
What happened, in plain English
Hyundai is recalling certain 2017-2018 Ioniq Hybrid vehicles because the Power Relay Assembly may have inadequate connections that cause overheating and fire risk. This could lead to a fire in the rear seat area, so owners should have the issue checked by a dealer. Read more at govinfonow.com/recall/1225016-hyundai-ioniq-hybrid-2018-recall-fire-risk-from-overheated-rear.
Source Summary by GovInfoNow · govinfonow.com/recall/1225016-hyundai-ioniq-hybrid-2018-recall-fire-risk-from-overheated-rear · Updated October 7, 2026 · Official notice: NHTSA #18V704000
Cite this page
“Hyundai Ioniq Hybrid (2018) Recall: Fire Risk from Overheated Rear Seat.” GovInfoNow, updated October 7, 2026. https://govinfonow.com/recall/1225016-hyundai-ioniq-hybrid-2018-recall-fire-risk-from-overheated-rear. Based on NHTSA recall #18V704000 (https://www.nhtsa.gov/recalls?nhtsaId=18V704000).
Why it’s dangerous
The Power Relay Assembly (PRA) may have poor electrical connections that cause increased resistance. This can overheat the rear seat area, which is above the PRA, potentially leading to a fire.
Who’s affected
Owners of 2017-2018 Hyundai Ioniq Hybrid and 2018 Ioniq Plug-In Hybrid vehicles are affected. Drivers and passengers in the rear seat are at higher risk due to the potential fire hazard.
How to tell if you have this one
Check if your vehicle is a 2017-2018 Hyundai Ioniq Hybrid or 2018 Ioniq Plug-In Hybrid. The recall started February 28, 2019, and Hyundai will notify owners of this issue.
- Brand
Hyundai- Category
Vehicle
What to do — step by step
Contact Hyundai Customer Service
Call 1-855-371-9460 to get notified about the recall and schedule a repair.
Have Dealer Inspect Power Relay Assembly
A dealer will check the Power Relay Assembly for damage and replace it if needed to prevent overheating.
What NHTSA says to do
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.
Questions people ask
Is this recall affecting my 2018 Ioniq Hybrid?
Yes, if your vehicle is a 2017-2018 Hyundai Ioniq Hybrid or 2018 Ioniq Plug-In Hybrid.
How can I tell if my vehicle has the issue?
The recall affects specific model years and the Power Relay Assembly may have inadequate connections causing overheating.
Will the repair fix the fire risk?
Yes, replacing the Power Relay Assembly will address the electrical connection issue and prevent overheating.
Contact Hyundai
We’ve drafted a message you can send Hyundai to request your refund or repair — edit it as you like.
Subject: Recall 18V704000 — Hyundai Hyundai Hello, I own a Hyundai that is covered by recall 18V704000 from Hyundai. The official recall notice states: 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. I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this? Thank you.
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Where this comes from
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
- Official source: NHTSA Recall #18V704000 (May 10, 2018)
- Plain-language summary written by qwen3:4b on October 7, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
- GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.