2021 Hyundai NEXO
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 2021 NEXO are official communications between Hyundai & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #23-EM-005H
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services. Read More »
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TSB #23-EM-005H
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services. Read More »
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TSB #22-01-039H
Certain Nexo vehicles may experience a stack coolant warning light while driving. The logic update provides real-time current sensor deviation correction. Read More »
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TSB #22-01-039H
Certain Nexo vehicles may experience a stack coolant warning light while driving. The logic update provides real-time current sensor deviation correction. Read More »
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TSB #22-FL-005H
During certain repairs on Nexo vehicles, it may be necessary to defuel/vent the vehicle prior to repairs and then refuel the vehicle before returning it to the customer. Read More »
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TSB #22-01-081H
Certain 2019-2021MY NEXO (FE) vehicles may exhibit a micro-leak in the inlet fitting valve area caused by a part that is out of specification. Read More »
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TSB #23-FL-005H
This bulletin provides information on how to properly vent Hydrogen from a Nexo FCEV for maintenance or repairs. Read More »
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TSB #24-BD-001H
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »
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TSB #24-BD-001H
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »
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TSB #23-BD-002H
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »
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TSB #23-BD-002H
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. Read More »
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TSB #24-BD-001H
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »
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TSB #24-BD-001H
This bulletin contains information about the proper removal of the windshield wiper blade protective cover on all models. Read More »
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TSB #23-BD-007H
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. Read More »
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TSB #23-BD-007H
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. Read More »
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TSB #22-GI-006H
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 ... Read More »
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TSB #22-GI-006H
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 ... Read More »