Kia Sorento: Transaxle Control Module (TCM) Description
Second Generation XM (2011-2023) / Kia Sorento XM 2011-2023 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / 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
| • |
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.
|
| • |
Calculates the optimal line pressure level by constantly monitoring
the torque level and adjusts the pressure accordingly.
|
| • |
Diagnoses the automatic transaxle for faults and failures.
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Adjustment
Transaxle Control Module(TCM) Learning
When shift shock is occurred or parts related with the transaxle are replaced,
TCM learning should be performed.
In the following case, TCM learni ...
See also:
ESC OFF Switch Inspection
1.
Turn ignition switch OFF and disconnect the negative (-) battery
cable.
2.
Remove the crash pad lower panel.
(Refer the Body - & ...
Rheostat Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad side cover.
3.
Remove the lower crash ...
Fuel Sender Removal
1.
Remove the fuel pump.
(Refer to Fuel Delivery System - “Fuel Pump”)
2.
Disconnect the fuel sender connector (A).
...
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