Kia Sorento: Transaxle Control Module (TCM) Description
Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 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.
|
| • |
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:
Blower Motor Inspection
1.
Connect the battery voltage and check the blower motor rotation.
2.
If the blower motor does not operate well, substitute with a know ...
Condenser Replacement
1.
Recover the refrigerant with a recovery/recycling/charging station.
2.
Disconnect the negative (-) battery terminal.
3.
...
All wheel drive (AWD)
Engine power can be delivered to all front and rear wheels for maximum traction.
AWD is useful when extra traction is required on roads, such as, when driving on
slippery, muddy, wet, or snow-cove ...
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