Kia Rio: Transaxle Control Module (TCM) Description - Automatic Transaxle Control System - Automatic Transaxle System - Kia Rio UB 2012-2019 Service ManualKia Rio: Transaxle Control Module (TCM) Description

Transaxle Control Module (TCM) is the automatic transaxle's brain. The module receives and processes signals from various sensors and implements a wide range of transaxle 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 transaxle failure or malfunction, TCM stores the fault information in memory so that the technician may reference the code and quickly repair the transaxle.
Functions
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Monitors the vehicle's operating conditions to determine the optimal gear setting.
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Performs a gear change if the current gear setting differs from the identified optimal gear setting.
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Determines the need for damper clutch (D/C) activation and engages the clutch accordingly.
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Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly.
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Diagnoses the automatic transaxle for faults and failures.

Transaxle Control Module (TCM) connector and terminal function


Components Location
[Vehicle Components] 1. Automatic transaxle 2. Transaxle control module (TCM) 3. Shift lever 4. Data Link Connector (DLC) [Transaxle Components] ...

Transaxle Control Module (TCM) connector and terminal function
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See also:

Components
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Inspection
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Mode Control Actuator Inspection
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