WenmarOpen by Wenmar Pro

Service bulletin 21-FL-003HG

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 id10200079
Published by NHTSA2021-08-07
Manufacturer's number21-FL-003HG
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
GENESIS G802017, 2018

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
23-01-037G2023-05-04. Service bulletin. Certain 2017-2020MY G80 vehicles may exceed evaporative emissions standards due to Onboarding Refueling Vapor Recovery (ORVR) system. To correct this symptom, install an auxiliary canister assembly between the canister and Canister Close Valve (CCV).
23-01-037G2023-05-04. Service bulletin. Certain 2017-2020MY G80 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).