Kia Rio: Transaxle Control Module (TCM) Description - Automatic Transaxle Control System - Automatic Transaxle System - Kia Rio UB 2012-2021 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:

Smart key unit Installation
Smart Key Unit 1. Install the smart key unit. 2. Install the smart key unit mounting nuts and connector. 3. ...

Components
1. Guide rod bolt 2. Bleed screw 3. Caliper body 4. Caliper carrier 5. Inner pad shim 6. Brake pad 7. Pad retainer ...

Publication Ordering Information
Service Manuals Service manuals have the diagnosis and repair information on the engine, transmission, axle, suspension, brakes, electrical system, steering system, body, etc. Customer Literature ...

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