2017 Kia Niro power train problems

19 owner complaints filed with NHTSA name the power train on the 2017 Kia Niro — 23% of all complaints for this model year.

Power Train complaints

23%

share of all complaints

—

median reported incident mileage

1 / 1

crash / fire reports

What owners report

“The vehicle's hydraulic clutch actuator (HCA) has failed and is actively leaking fluid onto the printed circuit board (PCB), creating an immediate electrical short and engine bay fire hazard. This failure is identical to the defect detailed in Safety Recall SC276 (NHTSA Campaign 23V534). As…”
filed Sep 14, 2026
“2017 Kia Niro Hybrid subject to Safety Recall SC276 (NHTSA Campaign 23V534) for the Hydraulic Clutch Actuator (HCA). Fluid contamination of the HCA PCB can cause an electrical short and engine compartment fire risk. Official remedy is HCA inspection/replacement as necessary plus a new fuse. Three…”
filed Aug 1, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area…
TSB_TRA046_R5 · Service Bulletin/Repair Instructions · issued Apr 17, 2025
This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required ONLY when a transmission is replaced.
TSB_TRA046_R4 · Service Bulletin/Repair Instructions · issued May 16, 2024
TECHNICAL SERVICE BULLETIN: TRANSMISSION FLUID APPLICATION GUIDE - This bulletin provides information relating to the correct transmission fluid type and fill quantity requirement for each Kia model. A flush is required…
TSB_TRA046_R3 · Service Bulletin/Repair Instructions · issued Nov 18, 2022