Active Safety RecallKia SC163Kia SC168NHTSA 18V-257NHTSA 18V-666
Kia Niro Other Recall Other Recalls · 2017–2018
Kia has issued 2 other safety recalls covering certain 2017–2018 Niro vehicles. Kia Motors America (Kia) is recalling certain 2017 Kia Niro vehicles. The Hydraulic Clutch Actuator (HCA) inner oil seal may leak, allowing oil to accumulate in the cap area, possibly resulting in an electrical short. The fix is free. Here’s exactly who’s affected and what to do.
NHTSA 18V-257Niro · 2017
NHTSA 18V-666Niro · 2017–2018
$0 · Free RepairParts and labor, any Kia dealer
Am I Affected?
Three quick checks — any one of them is reason to run your VIN above.
Check 1 · Model Year
You drive a 2017–2018 Niro
Model years 2017–2018 are covered by these campaigns. Other Niro model years are not part of this recall — see the Niro recall hub.
Check 2 · Campaign Count
2 open NHTSA campaigns
This page covers NHTSA 18V-257, 18V-666 — every campaign Kia and NHTSA have filed for this other issue on Niro. Run the VIN checker above to see exactly which apply to your vehicle.
Check 3 · Advisory
Safe to drive
No Park Outside or Do Not Drive advisory is attached to these specific campaigns. Run your VIN above to confirm your vehicle’s exact status and schedule the free repair.
What Happened — and How It’s Fixed
NHTSA 18V-257 (Kia SC163)20/04/2018
Hybrid Propulsion System
What happened: Kia Motors America (Kia) is recalling certain 2017 Kia Niro vehicles. The Hydraulic Clutch Actuator (HCA) inner oil seal may leak, allowing oil to accumulate in the cap area, possibly resulting in an electrical short.
The risk: An electrical short can increase the risk of a fire.
The free fix: Kia will notify owners, and dealers will inspect the HCA caps for leaked oil and replace the HCA assembly if needed, or replace the HCA cap with additional sealant. These repairs will be performed free of charge. The recall is expected to begin June 15, 2018. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC163.
NHTSA 18V-666 (Kia SC168)25/09/2018
Hybrid Propulsion System
What happened: 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.
The risk: The increased electrical resistance can overheat the rear seat which is above the PRA, increasing the risk of a fire.
The free fix: 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 To Do — Four Simple Steps
Run your VIN
Use the checker above (or nhtsa.gov/recalls) to confirm which of NHTSA 18V-257, 18V-666 apply to your exact vehicle.
Schedule the free repair
Book online or call . Mention SC163, SC168 — we’ll confirm parts before your visit.
One-visit fix
Recall repairs are typically completed same-day once parts are confirmed. Pair it with maintenance if you like — recall labor is free either way.
Keep the paperwork
We provide written proof of completion — useful at resale, since buyers check NHTSA for open recalls.
Other Recall FAQs
Is it safe to drive my Niro before the other recall repair?⌄
These campaigns (18V-257, 18V-666) carry no Do Not Drive or Park Outside advisory. Still, schedule the free repair promptly — run your VIN above to confirm your vehicle’s exact status.
Which vehicles are affected?⌄
Certain 2017–2018 Kia Niro vehicles, depending on the specific campaign (NHTSA 18V-257, 18V-666). Run your VIN above to confirm your exact vehicle.
What does the repair cost?⌄
Nothing. By federal law, safety recall repairs are free — parts and labor — at any authorized Kia dealer, for the life of the vehicle, regardless of where it was purchased or how many owners it’s had.
I’m buying a used Niro. Should I worry about these recalls?⌄
No — just verify. Run the VIN at nhtsa.gov/recalls: if NHTSA 18V-257, 18V-666 is open, any Kia dealer (including us) closes it free before or after your purchase. A completed recall has no effect on the vehicle’s safety or value.
Verified as of 2026-07-15 against NHTSA. Source: NHTSA 18V-257 · NHTSA 18V-666.