• There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.
1.Turn the ignition switch OFF and disconnect the battery (-) cable.
2.Remove the fuel pump fuse (A).

• When removing the fuel pump relay, the Diagnostic Trouble Code (DTC) will be occurred. Therefore delete the code with the diagnostic tool after "Release Residual Pressure in Fuel Line" work.
3.Connect the battery (-) cable.
4.Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own.
5.Disconnect the battery (-) cable, and then install the fuel pump relay (A).
6.Connect the battery (-) cable.
7.Delete the Diagnostic Trouble Code (DTC) related the fuel pump relay with the diagnostic tool.
Fuel Pressure Test
Fuel TankHyundai Tucson (NX4) 2022-2026 Owner's Manual: Recirculating Air when Washer
Fluid is Used
Recirculation mode automatically
activates to reduce the scent of the
washer fluid entering the cabin when the
windshield washer is used.
When it is shifted to the recirculation
mode, the unpleasant scent may flow
into the vehicle.
However, in cold weather to prevent
the windshield fro ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
Wireless Power Charger System Troubleshooting
Trouble statusInspection itemInspection
Not chargedCheck the mobile phone status R-1
Amber LED blinks OvercurrentR-2
OverheatingR-2
Foreign matterR-2
R-1. Check the wireless power charger system operation
1.If the placement ...