Hyundai Equus: Transmission Control Module (TCM) Description and Operation

Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Automatic Transmission System (SBC) / Automatic Transmission Control System / Transmission Control Module (TCM) Description and Operation

Description

Transmission Control Module (TCM) is the automatic Transmission's brain. The module receives and processes signals from various sensors and implements a wide range of Transmission controls to ensure optimal driving conditions for the driver.

TCM is programmed for optimal response to any on-road situation. In the event of a transmission failure or malfunction, TCM stores the fault information in memory so that the technician may reference the code and quickly repair the transmission.

Functions

•	Monitors the vehicle's operating conditions to determine the optimal gear setting.

•	Performs a gear change if the current gear setting differs from the identified optimal gear setting.

•	Determines the need for damper clutch (D/C) activation and engages the clutch accordingly.

•	Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly.

•	Diagnoses the automatic transmission for faults and failures.

Components and Components Location

Components Location [Vehicle Components] 1. Transmission Control Module(TCM)2. Shift lever3. Date Link Connector (DLC) [Transmission Components] 1. Input speed sensor2. Middle speed se ...

Transmission Control Module (TCM) Schematic Diagrams

1. TCM Connector and Terminal Function 2. TCM Terminal Function Connector PinDescriptionPinDescription1Battery power48-2Battery power49-3Power(IG 1)5027 Brake control solenoid valve4Ground51-5G ...

Hyundai Equus: Transmission Control Module (TCM) Description and Operation

Components and Components Location

Transmission Control Module (TCM) Schematic Diagrams

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