Kia Sedona: Transaxle Control Module (TCM) Description and Operation
Third generation YP (2014-2021) / Kia Sedona YP Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Transaxle Control Module (TCM) Description and Operation
| Description |
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.
Functions
| • |
Monitors the vehicle''s operating conditions to determine the optimal gear setting. |
| • |
Performs a gear change if the current gear setting differs from the identified optimal gear setting. |
| • |
Determines the need for torque converter clutch 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 faults and failures for automatic transaxle. |
| Operation |
Transaxle Control Module (TCM) Components and Components Location
Component Location
1. Transaxle Control Module (TCM) ...
Transaxle Control Module (TCM) Schematic Diagrams
TCM Connector
TCM terminal function
Connector [A]
PinDescription10CAN (High)27Ignition switch29Sports mode up switch35CAN (Low)44Inhibitor switch signal ''S1''45Inhibitor switch signal ''S2''4 ...
Other Information:
Troubleshooting
Troubleshooting
Trouble SymptomProbable CauseRemedyEngine misfire with abnormal internal lower engine noises.Worn crankshaft bearings.Loose or damaged engine drive plate.Replace the crankshaft an ...
Repair procedures
Removal
1.
Remove the ECM mirror connector (B) after removing the mirror wiring cover (A).
2.
Remove the mirror (A) pulling up in the direction of arrow.
Be caref ...
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