Safety Recall NHTSA · 18V666000 Reported September 25, 2018

Electrical resistance at main relay may cause fire

Kia America, Inc. · N/A · 27,030 vehicles potentially affected

NHTSA ID
18V666000
Manufacturer Campaign
SC168
Manufacturer
Kia America, Inc.
Component
N/A
Vehicles Affected
27,030
Recall Type
Vehicle
Report Received
September 25, 2018
Completion Rate
87.64

Defect Summary

Kia motors america (kia) is recalling certain 2017-2018 kia niro hybrid electric vehicles. the main relay within the power relay assembly (pra) may have inadequate connections between its contacts, causing increased electrical resistance.

Safety Consequence

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

Corrective Action

Kia 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 november 23, 2018. owners may contact kia customer service at 1-800-333-4542. kia's number for this recall is sc168.

What you should do

  1. Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
  2. Contact an authorized Kia America, Inc. dealer and reference recall ID 18V666000 or campaign SC168.
  3. Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.
View Official NHTSA Notice →
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FAQ: Recall 18V666000

Your rights, the repair process, and what each field on this page means.

What is recall 18V666000?

NHTSA recall 18V666000 was issued by Kia America, Inc. on September 25, 2018. It addresses: Electrical resistance at main relay may cause fire. The recall affects approximately 27,030 vehicles, with the defect involving the N/A component.

How do I get this recall repaired?

Contact any authorized Kia America, Inc. dealer and reference NHTSA recall ID 18V666000 or the manufacturer campaign number SC168. Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.