
1. Fuel filler door release actuator
1.Disconnect the negative (-) battery terminal.
2.Remove the fuel filler housing after opening the fuel filler door.(Refer to Body - "Fuel Filler Door")
3.Disconnect the connector (A) and then remove tht release actuator (B) after loosening mounting screws.

4.Check for continuity between terminal No. 1 and No. 2. If there is no continuity, replace the fuel filler door release actuator (A).

IMS Control SwitchHyundai Tucson (NX4) 2022-2026 Service Manual: ETC (Electronic Throttle control) System
- Description
The Electronic Throttle Control (ETC) System consists of a throttle
body with an integrated control motor and throttle position sensor
(TPS). Instead of the traditional throttle cable, an Accelerator
Position Sensor (APS) is used to receive driver input. The ECM uses the
APS ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
Trouble symptomProbable causeRemedy
Engine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as required
Ignition coilInspect ignition coil, or replace as required
Spark plugsInspect spark plugs, or replace as required
...