Kia Optima: Transaxle Control Module (TCM). Description and Operation - Automatic Transaxle Control System - Automatic Transaxle System - Kia Optima TF 2011-2020 Service ManualKia Optima: Transaxle Control Module (TCM). Description and Operation

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
Х Monitors the vehicle's operating conditions to determine the optimal gear setting.
Х Performs a gear change if the current gear setting differs from the identified optimal gear setting.
Х Determines the need for damper clutch (D/C) activation and engages the clutch accordingly.
Х Calculates the optimal line pressure level by constantly monitoring the torque level and adjusts the pressure accordingly.
Х Diagnoses the automatic transaxle for faults and failures.


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

Transaxle Control Module (TCM). Schematic Diagrams
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See also:

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Removal and Installation
1. Disconnect the battery terminals. (Refer to Engine and transaxle assembly in this group) 2. Remove the air cleaner assembly and the intercooler inlet/outlet hoses. ...

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