What does TCU mean in cars?

1 Answers
Perry
07/29/25 6:07pm
TCU, Transmission Control Unit, is the automatic transmission control unit commonly used in AMT, AT, DCT, CVT and other automatic transmissions. It enables automatic transmission control, making driving simpler. Below is information about TCU's functions: 1 Target gear (ratio) decision: Based on driving environment and driver recognition strategies, it improves vehicle economy and comfort. 2 Actuator control. 3 Fault diagnosis. 4 Fault handling.
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