DTC U0109/U010900 Fuel Pump Control Module (21-FL-003HG)
Publication date: 2021-07-01Reference number: 21-FL-003HG
DTC U0109/U010900 FUEL PUMP CONTROL MODULE
TECHNICAL SERVICE BULLETIN
Reference Number(s): 21-FL-003HG, Date of Issue:
July 27, 2021
| HYUNDAI: | 2017-2018 G80 (DH) |
| GROUP: | Fuel System |
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 2017-2018MY G80 (DH) vehicles.
PARTS INFORMATION
PARTS INFORMATION
| Parts Name | Part Number | Description | Note |
|---|---|---|---|
| Controller-Fuel Pump | 33041-XXXXX | Refer to Electronic Parts Catalog for the applicable P/N based on VIN |
WARRANTY INFORMATION
WARRANTY INFORMATION
| Model | Op. Code | Operation | Op. Time | Causal Part | Nature Code | Cause Code |
|---|---|---|---|---|---|---|
| Genesis (DH) | 33041R00 | Fuel Pump Control Module Replacement | 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.
INSPECTION PROCEDURE
- Connect GDS to the Data Link Connector (DLC).
- If there are any FPCM DTC related codes, replace the FPCM.
- Using a Voltmeter, check the Fuel Pressure Sensor (FPS) output voltage.
Specified Voltage: 5V
- Using a Voltmeter, check the FPS output voltage at idle.
Specified Voltage: 1.4 - 3.2V
- 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
- If FPCM out of specification, follow the Service Procedure in the next page to replace it.
SERVICE PROCEDURE
- Turn the ignition switch OFF and disconnect the vehicle's negative battery terminal.NOTE:
- Be sure to record the radio presets prior to battery disconnection.
- Remove the trunk rear transverse trim.
- Fold the LH luggage side trim to access the FPCM.
- To remove FPCM assembly from vehicle:
- Disconnect FPCM connector (A)
- Remove the mounting nuts (B)
- Remove FPCM (C)
- Reinstall all removed parts in reverse order of disassembly and reconnect the negative battery terminal.NOTE:
- Reprogram the radio presets recorded from Service Procedure Step 1.
- The service procedure is now complete.