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Service bulletins for the 2020 Hyundai Kona

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

108 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
20-ST-003H2020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM. 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 assembly.
20-ST-001H-12020-09-03. Service bulletin. STEERING:COLUMN; ELECTRICAL SYSTEM; STEERING:AUTOMATED/ADAPTIVE STEERING:MOTOR/ACTUATOR. This bulletin provides information regarding replacement of the column-mounted Motor Driven Power Steering (MDPS) system as separate components.
20-FL-006H2020-07-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information related to the Engine Control Module (ECM) software logic update for DTC P0300-P0304 Misfire. This update addresses an incident of intermittent misfire that may only occur at cold engine warmup.
Campaign 960 Dea2020-06-06. Service bulletin. ELECTRICAL SYSTEM. Hyundai is conducting a Service Campaign related to a Multi-ECU Update of selected systems for high voltage battery monitoring logic. The affected vehicles include: • 2019MY-2020MY Kona Electric (OS EV)
20-01-018H(1)2020-06-06. Service bulletin. ELECTRICAL SYSTEM. Description: This bulletin provides instructions for: A. High Voltage Battery Inspection. B. “NO PASS” Inspection Result: The campaign cannot currently be completed. Perform TSB 20-EE-001H as a warranty claim, then return to complete this campaign. C. “PASS” Inspection Result: Perform GDS software updates to the following 4 systems to update the High Voltage Battery Monitoring: a. BMS (Battery Management System) b. IGPM (Integrated Gateway Power Module) c. MCU (Motor Control Unit) d. VCULDC (Vehicle Control Unit & Low DC-DC Converter)
20-EE-003H2020-05-07. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin provides information on identifying dealer stock vehicles with either: • A Battery SOC alert - low Battery State of Charge (SOC) at or below 50%. • A 30 Day alert - vehicle has not started and reported an SOC in 30 days.
20-EE-002H(1)2020-04-07. Service bulletin. ELECTRICAL SYSTEM. This bulletin describes the mandatory procedure to submit battery test data electronically for battery warranty claims by running the GDS Battery Claim App. The App must be run right after an incident battery is removed from the vehicle or after a battery charge is completed which qualifies for a warranty. It must be run at any time between RO open and close dates.
20-EE-001H2020-04-07. Service bulletin. ELECTRICAL SYSTEM. Electric Vehicle (EV) Battery Replacement Procedures. The following summarizes the procedure for EV battery replacement:
20-AT-007H2020-03-07. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; POWER TRAIN. If you are servicing an applicable vehicle with a “Check Engine” light on and one or more of the DTC listed below, follow the repair procedure and replace the related solenoid and oil pressure harness.
20-BE-001H2020-02-03. Service bulletin. ELECTRICAL SYSTEM. This bulletin provides guidelines to inspect the USB, head unit, and multi-box for common connection conditions. 2. This bulletin presents guidelines to inspect for common Android Auto and Apple CarPlay connection conditions. 3. This bulletin provides physical differences between the USB 2.0 port and USB 3.0 port.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.