Hyundai Genesis (DH): Automatic Transmission Control System / Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Automatic Transmission System (SBC) / Automatic Transmission Control System / Description and Operation

Description
Automatic transmission system relies on various measurement data to determine the current control status and extrapolate the necessary compensation values. These values are used to control the actuators and achieve the desired control output. If a problem with the drivetrain, including the transmission, has been identified, perform self-diagnosis and basic transmission inspection (oil and fluid inspection) and then check the control system's components using the diagnosis tool.
Control System Composition

Fault Diagnosis
It features a fail-safe mechanism that allows a vehicle to be driven home or to a dealer in the event of a transmission failure.
The limp home mode is engaged if the transmission malfunctions. In this mode, the transmission operates at a minimal functionality level, making it possible for the vehicle to reach a service center.
Fail-Safe: Allows the vehicle to be driven safely in the event of a malfunction.
Limp Home: Maintains minimal functionality (*) in the event of a malfunction, making it possible for the vehicle to reach a service center.
(*) Minimal Functionality: Drive (fixed gear setting), Reverse, and Neutral
Self-diagnosis
TCM is in constant communication with the control system's components (sensors and solenoids). If an abnormal signal is received for longer than the predefined duration, TCM recognizes a fault, stores the fault code in memory, and then sends out a fault signal through the self-diagnosis terminal. Such fault codes are independently backed up and will not be cleared even if the ignition switch is turned off, the battery is disconnected, or the TCM connector is disconnected.
   

    Adjustment TCM Learning When shift shock occurs or parts related with the transmission are replaced, TCM learning should be performed. In the following case, TCM learning is required.

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: Components and Components Location

    C

    Hyundai Genesis (DH) 2013-2016 Service Manual: Console Temperature Control Actuator Repair procedures

    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the console temperature control actuator connector. 3. Verify that the console temperature control actuator operates to the defrost mode when connecting 12V to terminal 3 and grounding terminal 4.

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