2020 Kia Niro EV Service and Repair Manual

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Factory-Grade Data

2020 Kia Niro EV service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical coverage with wiring diagrams
  • Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more

Trims covered

  • SX Touring Sport Utility 4-Door
  • EX Premium Sport Utility 4-Door
  • EX Sport Utility 4-Door

Engines covered

  • BATTERY EV (EV/BEV)

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2020 Kia Niro EV Recalls & Complaints

NHTSA #22V89900006/12/2022Component: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:THERMAL MANAGEMEN

Kia America, Inc. (Kia) is recalling certain 2020 Niro EV vehicles. The Electric Power Control Unit (EPCU) may have been improperly sealed and may leak coolant internally.

Consequence

Coolant contacting the EPCU circuit board may cause a loss of drive power, increasing the risk of a

Remedy

Dealers will inspect and replace the EPCU as necessary, free of charge. Owner notification letters

TSB #11031906

TECHNICAL SERVICE BULLETIN: INFOTAINMENT SOFTWARE UPDATE PROCEDURE - This bulletin provides information on the process for downloading infotainment software updates and preparing USB for installation on applicable Kia vehicles. The software

TSB #11026698

PITSTOP: TECHNICAL OPERATIONS: EXTERNAL DAMAGE TO ULTRASONIC SENSOR: This Pitstop provides information related to Parking Distance Warning (PDW) alerts and repairs involving ultrasonic sensors. The PDW system alerts the driver while parking

TSB #11022350

VOLUNTARY SERVICE CAMPAIGN: OWNER RENOTIFICATION (SC321) - This document is the owner renotification advising that Kia is conducting a Voluntary Service Campaign to address a potential corrosion concern with the Integrated Electronic Brake

TSB #11017172

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. This bulletin provid

TSB #11015973

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: KIA CONNECT MODEM RESET (SA611) - This bulletin outlines the procedure for resetting the modem in certain 2016-2025MY Kia vehicles listed on page 3 that are equipped with Kia Connect Services. The

TSB #11015367

TECHNICAL SERVICE BULLETIN: SERVICE ACTION: INVERTER COOLANT/DEBRIS FLUSHING/REPLACEMENT FOR CLUSTER MESSAGE REFILL INVERTER COOLANT (SA512) - This bulletin has been revised to include additional information. New/revised sections of this bu

TSB #11011765

TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE DEALER MODE FACTORY RESET - This bulletin provides the procedure to perform the Dealer Mode Factory Reset on multiple 2020-2021MY vehicles (listed on page 5) equipped with AVN 5.0 Wide head units. Th

TSB #11010698

TECHNICAL SERVICE BULLETIN: AVN 5.0 WIDE NON-RESPONSIVE RADIO ICON (AM, FM, SXM) - 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. This

Showing the 8 most recent of 57 technical service bulletins on file with NHTSA.

20211123Component: LANE DEPARTURE: ASSISTCrash reported

Driving in my 2020 Kia Niro EV EX in the right lane of a 2-lane northbound highway at 3PM on a weekday, clear-weather, I changed lanes into the left lane when all of the sudden the Lane Keeping Assist

20260209Component: ELECTRICAL SYSTEM

The contact owns a 2020 Kia Niro EV. The contact stated that the vehicle was repaired under an undisclosed recall on two separate occasions; however, the part failed a third time after the vehicle was

20250914Component: UNKNOWN OR OTHER

I had just left my doctor after a protracted visit and was almost late for dinner guests. I noticed a thumping and thought it was the road, but it was a 3/8" bolt in my tire tread.I pulled up at Costc

20250721Component: ENGINE AND ENGINE COOLING

The contact owns a 2021 Kia Niro. The contact stated that when the vehicle was started, the refill inverter coolant warning light illuminated. In addition, the contact stated that the refill inverter

20250605Component: UNKNOWN OR OTHER

There is a silver strip that runs horizontally along the middle of the dashboard from one side to the other. It’s made out of a very reflective material. During the midday hours, it brightly shines

Showing the 5 most serious of 26 complaints filed with NHTSA.

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