
1. Shift by wire Control Unit (SCU)

| Pin | Function | Pin | Function |
| 1 | Power | 21 | - |
| 2 | Ground | 22 | - |
| 3 | H-CAN High | 23 | - |
| 4 | H-CAN Low | 24 | - |
| 5 | P-CAN High | 25 | - |
| 6 | P-CAN Low | 26 | - |
| 7 | Position sensor ground | 27 | Position sensor signal 1 |
| 8 | - | 28 | Position sensor signal 2 |
| 9 | - | 29 | P position output signal |
| 10 | Position sensor power 5 V | 30 | - |
| 11 | Electronic shift actuator sensor power 5 V | 31 | Back-up lamp signal |
| 12 | IG 1 | 32 | - |
| 13 | Electronic shift actuator sensor signal 2 | 33 | Electronic shift actuator motor U |
| 14 | Electronic shift actuator sensor signal 1 | 34 | Electronic shift actuator motor V |
| 15 | Electronic shift actuator sensor ground | 35 | Electronic shift actuator motor W |
| 16 | - | 36 | Power |
| 17 | - | 37 | Electronic shift actuator power |
| 18 | - | 38 | Ground |
| 19 | - | 39 | - |
| 20 | - | 40 | - |
1.Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.Disconnect the SBW control unit connector (A).

3.Loosen the nut and bolts and then removing the SBW control unit bracket assembly (A).
Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)

4.Loosen the bolts and then removing the SBW control unit (A) from the bracket.
Tightening torque :9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)


1.To install, reverse the removal procedure.
Transaxle Control Module (TCM)
Electronic Shift ActuatorHyundai Tucson (NX4) 2022-2025 Owner's Manual: Reverse Parking Collision-Avoidance Assist (PCA)
Reverse Parking Collision-Avoidance
Assist uses the wide-rear view camera
and rear ultrasonic sensors to help detect
pedestrians or objects when backing
up. The function may warn you or assist
you with braking to help reduce the
possibility of a collision when backing
up.
Information
...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Ultrasonic Sensor
- Schematic Diagrams
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the front/rear bumper assembly.(Refer to Body - "Front Bumper Assembly")(Refer to Body - "Rear Bumper Cover")
3.Disconnect the connector from the parking distance warning sensor.
4.Pull out the s ...