This bulletin applies to 2019-2020 Genesis vehicles, where DTC U0109/U010900 is stored and there is a communication error with the fuel pump control module (FPCM).
This bulletin applies to 2019-2020 Genesis vehicles, where DTC U0109/U010900 is stored and there is a communication error with the fuel pump control module (FPCM).
Photo courtesy of Mitchell 1
FPS output at idle should be 1.4-3.2V.
1. Connect GDS to the data link connector.
2. If there are any FPCM DTC related codes, replace the FPCM.
3. Using a voltmeter, check the fuel pressure sensor (FPS) output voltage, Specified voltage is 5V.
4. Check FPS output voltage at idle. Specified idle voltage is 1.4-3.2V.
5. Test fuel pressure at the delivery line from the fuel tank. If FPCM is out of spec, replace the FPCM.
Photo courtesy of Mitchell 1
Note the location of the FPCM connector (A) and mounting nuts (B).
To replace the FPCM, turn ignition off and disconnect the battery negative cable. Remove the trunk rear transverse trim. Fold the LH luggage side trim to access the FPCM.
Disconnect the FPCM connector and mounting nuts and remove the FPCM. Install the new FPCM in reverse order.
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