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 ...
See also:
Troubleshooting
Troubleshooting
Trouble SymptomProbable causeRemedyVehicle pulls to one sideScoring of driveshaft ball jointReplaceWear, rattle or scoring of wheel bearingReplaceDefective front suspension and st ...
Components and Components Location
Components
1. Receiver
...
Smart cruise control speed
To set cruise control speed:
1. Push the CRUISE (ON·OFF) button on the steering wheel to turn the system on.
The CRUISE indicator light in the instrument cluster will illuminate.
2. Accelerate ...
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