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Service bulletin 21-FL-003H

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10200078
Published by NHTSA2021-08-07
Manufacturer's number21-FL-003H
Manufacturer's date2021-07-23
NHTSA componentFUEL SYSTEM, GASOLINE

NHTSA's summary

This TSB provides consolidated diagnosis and repair information, currently in the shop manual, to address DTC U0109 / U010900 related to a communication error with the Fuel Pump Control Module (FPCM).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Fuel system

Trouble codes named

U0109

Vehicles listed
HYUNDAI GENESIS2015, 2016

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
24-FL-001G2024-03-05. Service bulletin. This bulletin outlines the basic components of the BG Fuel Test Kit and the procedure to test the quality of the fuel during vehicle diagnosis. Poor fuel quality may lead to cold engine startability issues, hesitation at idle or during acceleration, and/or poor driveability. In addition, prolonged vehicle operation with poor quality fuel may result in damage to the fuel system and formation of engine deposits. The BG Fuel Test Kit can be used to determine the following aspects of the fuel: • Sediment / Water Contamination Inspection • Specific Gravity • Alcohol Content
23-01-037H2023-05-04. Service bulletin. Certain 15-16MY Hyundai Genesis (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, an auxiliary canister assembly between the canister and Canister Close Valve (CCV) will be installed.
23-01-037H2023-05-04. Service bulletin. Certain 2015-2016MY Hyundai Genesis (DH) vehicles may exceed evaporative emissions standards due to Onboard Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV).