2020 Hyundai Nexo Technical Service Bulletins

35 technical service bulletins (TSBs) are on record for the 2020 Hyundai Nexo. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11038722Oct 15, 2026Back-over prevention (rear camera). Some Hyundai vehicles may be equipped with a parking distance warning (PDW) sensor(s) that may trigger various DTCs and display warning messages on the instrument cluster, resulting in the PDW sensor(s) failing to detect nearby objects or triggering multiple false alarms. This condition may be a result of external damage to the PDW sensor membrane or sensor cover from rock chips or road debris, a collision, or…
• 11032523Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous driver’s-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These inflators were not supplied, approved, or authorized by the vehicle manufacturers and have primarily been found in vehicles that previously experienced a crash and underwent airbag…
• 11032522Apr 10, 2026Air bags. The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driver‑side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN), that have been identified in U.S. vehicles following prior crashes, theft, or non‑certified airbag replacements. These inflators are not approved for use, may rupture during…
• 11025476Nov 6, 2025Exterior lighting. 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 the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or…
• 11018575May 8, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
• 11017111Apr 7, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remote commands, or other Bluelink services, please see the instructions below to reestablish the connection via the AVN pinhole reset method.
• 11015936Mar 18, 2025Electrical system. Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon’s communication network. Follow the procedure in this TSB to reestablish the connection via the AVN pinhole reset method.
• 10251285Feb 14, 2024Visibility (wipers, defrost, mirrors). 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 partially separated on the inner side of the wiper blade, which could lead to poor wiping performance and/or possible scratching of the windshield glass.
• 10247189Oct 13, 2023Engine cooling. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
• 10235566Apr 24, 2023Body and structure. 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 become clouded under the PPF. These spots are the result of moisture trapped between the PPF and the paint.
• 10230904Jan 30, 2023Visibility (wipers, defrost, mirrors). 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 the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes or…
• 10217258Jul 14, 2022Tires. 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. This limit is the lesser of 1.5% of GVWR or 100 pounds. If the total added weight exceeds the lesser of the limit, a label must be added to the driver-side B-pillar within 25mm (1…
• 10190044Mar 30, 2021Equipment, Engine cooling. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
• 10190038Mar 23, 2021Brakes, Equipment. This bulletin provides best practice recommendations when performing brake service procedures.
• 10189991Mar 16, 2021Equipment, Electrical system. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen.
• 10189989Mar 10, 2021Equipment, Engine cooling. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
• 10185443Dec 21, 2020Electrical system. When using Wireless CarPlay, the system may intermittently auto disconnect. When Wireless CarPlay is disconnected, a pop up message “Phone Not Responding. Please reconnect it and try again” will appear on the radio screen.
• 10185416Dec 2, 2020Electrical system. This bulletin provides information on how to properly vent Hydrogen from a Nexo FCEV for maintenance or repairs.
• 10183963Nov 30, 2020Brakes. This bulletin describes the procedure to inspect and identify fluid which may appear around the brake caliper area.
• 10183960Nov 19, 2020Tires, Wheels. This bulletin provides tire vibration service procedures, including how to optimize vehicle vibration performance. For all wheel/tire balance claims, the “Tire Balance Data Sheet” must be fully completed including imbalance and Road Force Variation (RFV) data. The Data Sheet can be found at the end of this bulletin.
• 10182304Oct 9, 2020Equipment, Electrical system. This bulletin provides information and procedures for collecting OBD “In Use Monitor Performance Ratio” (IUMPR) data on certain 2019-2021MY vehicles at California dealers. This reporting is mandated by CARB (California Air Resources Board).
• 10181004Sep 4, 2020Body and structure. Some 2019-2020 Nexo (FE), and 2020 Palisade (LX2) vehicles equipped with the power tailgate may not operate. This bulletin provides the service procedure to inspect and when necessary perform the power tailgate spindle wire harness revision.
• 10179309Aug 24, 2020Equipment, Electrical system. Certain 2019 - 2020 MY NEXO (FE) vehicles may experience a condition in which the radio presets may reset during AVN start up. This service campaign provides the procedure to install an Audio Video Navigation (AVN) software update, which corrects this condition.
• 10179248Aug 24, 2020Equipment, Electrical system. This bulletin describes the procedure to install an Audio Video Navigation (AVN) software update which corrects a condition in which the radio presets may reset during AVN start up.
• 10178175Jul 14, 2020Exterior lighting, Equipment. This bulletin provides information regarding condensation related to moisture accumulation in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. The TSB illustrates the various causes of condensation inside the lamp assembly. Lamp assembly replacement is NOT necessary in most cases. This condition can be eliminated by turning on the lamps with the engine running for several minutes, or…
• 10178167Jul 8, 2020Electrical system, Fuel system, Other or unknown. This bulletin provides software update information related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. This update revises the logic for Malfunction Indicator Light (MIL) ON related to the FCU and HMU.
• 10178162Jul 8, 2020Equipment, Engine, Electrical system. This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. This update includes logic revision for Malfunction Indicator Light (MIL) ON related to the FCU and HMU.
• 10177139Jun 25, 2020Body and structure, Electrical system, Equipment. Some 2019 - 2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may not operate. This bulletin provides the service procedure to inspect and when necessary perform the power tailgate spindle wire harness revision.
• 10177138Jun 25, 2020Equipment, Body and structure. Certain 2019-2020 Nexo (FE), 2020 Palisade (LX2), and 2019 - 2020 Santa Fe (TM) vehicles equipped with the power tailgate may experience a nonoperational condition. This campaign provides service procedures to inspect and when necessary, perform the power tailgate spindle wire harness revision.
• 10176191May 13, 2020Body and structure. Hyundai is conducting a Service Campaign to inspect the power tailgate harness and when necessary, perform the power tailgate spindle wire harness update.
• 10176190May 13, 2020Body and structure. Some 2019-2020 Nexo (FE), and 2020 Palisade (LX2) vehicles equipped with the power tailgate may not operate. This bulletin provides the service procedure to inspect and when necessary perform the power tailgate spindle wire harness revision
• 10176182May 6, 2020Tires, Wheels. This bulletin provides information on tire maintenance best practices and procedures for dealers and customers to maximize tire life and performance.
• 10176178May 1, 2020Equipment. This bulletin describes the general guidelines to help disinfect and protect vehicle exterior/interior surfaces using recommended safe chemical products.
• 10174808Apr 23, 2020Electrical 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.
• 10174807Apr 17, 2020Equipment, Transmission and drivetrain. The automatic transmission warranty repair policy authorizes in-dealership repairs of the following components for both OEM (new) and remanufactured automatic transmissions:

← All problems reported for the 2020 Hyundai Nexo