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Hyundai Tucson: DCT (Dual Clutch Transmission) System (SBC) - Description

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / DCT (Dual Clutch Transmission) System / DCT (Dual Clutch Transmission) System (SBC) / DCT (Dual Clutch Transmission) System (SBC) - Description

Description

The Dual Clutch Transmission (DCT) control system measures required data to identify the state of the control target and computes the appropriate compensation value if adjustment is necessary. The actuator is controlled according to the computed compensation value to obtain desired output.

If transmission or driving-performance-related failure is detected, first perform self-diagnosis and basic transmission inspection (oil check).

Then use the diagnostic tool to inspect the transmission control system components.

Operation principle

Description

Description

Function

The Transmission Control Module (TCM) is like the brain for the Dual Clutch Transmission (DCT). It receives information from various sensors for a wide range of transmission controls to provide an optimal driving environment for the driver. The TCM is programmed for optimal operation in all driving conditions. If the TCM malfunctions, store the failure information in memory and provide the error information to a mechanic for fast and accurate repair.

Components

Fork cover
Clutch actuator & TCM assembly
Clutch actuator assembly
O-ring
DCT control module (TCM)

Connector and Terminal Function

Transmission Control Module (TCM) Inspection Procedure

Inspection Inspecting TCM ground circuit: Measure the resistance between the TCM and chassis ground. (Check the terminal connected to the chassis ground while using the back of the harness connector as the base point for TCM.) Normal

Transmission Control Module (TCM) Inspection Procedure - Installation

Installation To install, reverse the removal procedure. WARNING The existing O-rings (A) must be replaced with a new one. (Do not reuse it.) Perform the clutch compensation value setting procedure using the diagnostic tool after rep

The DCT system

Components Fork cover Clutch actuator & TCM assembly Clutch actuator assembly O-ring DCT control module (TCM) Specification Inspection The DCT system can be more quickly diagnosed for troubles by using the vehicle diagn

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