This bulletin provides the procedure to update the BMS (Battery Management System), MCU (Motor Control Unit), VCULDC (Vehicle Control Unit / Low DC-DC Converter) and IGPM (Integrated Gateway Power Module) to enhance the battery diagnostics
2020 Hyundai Ioniq Service and Repair Manual
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Factory-Grade Data
2020 Hyundai Ioniq Service and Repair Manual
Regular price
$49.99 USD
Unit price
2020 Hyundai Ioniq 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.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical diagnostics with wiring diagrams
- Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more
Trims covered
- Hybrid SEL Hatchback 4-Door
- Plug-In Hybrid SEL Hatchback 4-Door
- Electric Limited Hatchback 4-Door
- Hybrid Luxury Hatchback 4-Door
- Hybrid Preferred Hatchback 4-Door
- Hybrid Limited Hatchback 4-Door
- Plug-In Hybrid Preferred Hatchback 4-Door
- GLS Premium Hatchback 4-Door
- Electric SE Hatchback 4-Door
- Limited Hatchback 4-Door
- Plug-In Hybrid Ultimate Hatchback 4-Door
- Hybrid Ultimate Hatchback 4-Door
- Hybrid Essential Hatchback 4-Door
- Electric Preferred Hatchback 4-Door
- Electric Ultimate Hatchback 4-Door
- Plug-In Hybrid SE Hatchback 4-Door
- Hybrid Blue Hatchback 4-Door
- Plug-In Hybrid Limited Hatchback 4-Door
Engines covered
- 1.6L 1580CC 96Cu. In. l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
- 1.6L 1580CC 96Cu. In. l4 PLUG-IN HYBRID EV-GAS (PHEV) DOHC Naturally Aspirated
- 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
Payment & Security
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2020 Hyundai Ioniq Recalls & Complaints
No active recalls
The 2020 Hyundai Ioniq has no recalls on file with NHTSA.
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. If the protective cover is not removed correctly, there is a possibility of the rubber insert and rail spring becoming
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can becom
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. Th
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
Certain vehicles may develop a bearing noise within the Motor Driven Power Steering (MDPS) column worm shaft assembly. If bearing noise is heard, follow the procedure in this bulletin to replace the worm shaft bearing.
Showing the 8 most recent of 19 technical service bulletins on file with NHTSA.
The contact owns a 2020 Hyundai Ioniq. The contact stated that while driving at undisclosed speeds, the vehicle stalled. No warning lights were illuminated. The contact was able to restart the vehicle
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