NHTSA ID Number: 10200078
Manufacturer Communication Number: 21-FL-003H
TSB/Document Date: 2021-08-07
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).
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- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
- Improves responsiveness
- For use in both gasoline and diesel engines
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TSB/Document ID: 21-FL-003H
Replacement Service Bulletin Number:
MFR Communication Date: 2021-07-23
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE
MFR Component System:
MFR Component Subsystem:
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GROUP
Fuel System
Technical Service Bulletin
DATE
July, 2021
NUMBER
21-FL-003H
MODEL(S)
Genesis
(DH)
DTC U0109/U010900 FUEL PUMP CONTROL MODULE
SUBJECT:
Description: 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).
DTC Information:
U0109 LOST COMMUNICATION WITH FUEL PUMP CONTROL MODULE
Applicable Vehicles: Certain 2015-2016MY Genesis (DH) vehicles.
Parts Information:
PART NAME
Controller-Fuel Pump
PART NUMBER
DESCRIPTION
NOTE
Refer to Electronic
Parts Catalog for the
applicable P/N based
on VIN
33041-XXXXX
Warranty Information:
MODEL
OP CODE OPERATION
Fuel Pump
Control
Genesis (DH) 33041R00
Module
Replacement
OP TIME
CAUSAL PART
NATURE
CODE
CAUSE
CODE
Refer to
WEBLTS for
current LTS
time.
33041-XXXXX
I3T
ZZ3
Note 1: Normal warranty applies.
Note 2: Refer to Electronic Parts Catalog for full causal part number.
Circulate To: General Manager, Service Manager, Parts Manager, Warranty Manager, Service
Advisors, Technicians, Body Shop Manager, Fleet Repair
SUBJECT:
DTC U0109/U010900 FUEL PUMP CONTROL MODULE
Inspection Procedure:
1.
Connect GDS to the Data Link Connector (DLC).
2.
If there are any FPCM DTC related codes,
replace the FPCM.
Using a Voltmeter, check the Fuel Pressure
Sensor (FPS) output voltage.
3.
Specified Voltage: 5V
4.
Using a Voltmeter, check the FPS output voltage
at idle.
Specified Voltage: 1.4 – 3.2V
5.
Test the fuel pressure at the fuel delivery line
from the fuel tank.
Refer to the shop manual for complete test
procedure:
Engine Control / Fuel System > Fuel Delivery
System > Repair procedures
6.
If FPCM is out of specification, follow the Service
Procedure in the next page to replace it.
TSB #: 21-FL-003H
Page 2 of 3
SUBJECT:
DTC U0109/U010900 FUEL PUMP CONTROL MODULE
SUBJECT:
Service Procedure:
1.
Turn the ignition switch OFF and disconnect the
vehicle’s negative battery terminal.
NOTICE
•
Be sure to record the radio presets
prior to battery disconnection.
2.
Remove the trunk rear transverse trim.
3.
Fold the LH luggage side trim to access the
FPCM.
4.
To remove FPCM assembly from vehicle:
•
•
•
5.
Disconnect FPCM connector (A)
Remove the mounting nuts (B)
Remove FPCM (C)
Reinstall all removed parts in reverse order of
disassembly.
Reconnect the negative battery terminal.
NOTICE
•
6.
Reprogram the radio presets
recorded from Service Procedure
Step 1.
The service procedure is now complete.
TSB #: 21-FL-003H
Page 3 of 3
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