KIA Niro: DCT Control Module (TCM), Repair procedures

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / DCT(Dual Clutch Transmission) System / Dual Clutch Transmission Control System / DCT Control Module (TCM), Repair procedures

Conponent Location

  1. DCT Control Module (TCM)

TCM Connector

TCM Terminal Function

TCM Terminal Function

Connector (A)

Connector (B)

Connector (B)

Circuit Diagram

Circuit Diagram

Inspection

Inspection

  1. TCM ground circuit test : Measure the resistance between TCM and chassis ground. (Inspect the terminal connected to the chassis ground with the back of harness connector as the inspection point of TCM side.)

Specification : Below 1Ω

  1. TCM connector test : Disconnect the TCM connector and visually check the ground terminals on TCM side and harness side for bent pins or poor contact pressure.
  2. If problem is not found in Steps 1 and 2, the TCM could be faulty.

     

    If so, replace the TCM with a new one, and then check the vehicle again. If the vehicle operates normally then the problem was likely with the TCM.

  3. Reinspection of original TCM : Install the original TCM (probably broken) into a known-good vehicle and check the vehicle. If the problem occurs again, replace the original TCM with a new one.

     

    If the problem does not recur, this is an intermittent problem and other part may be faulty.

DCT Control Module (TCM) Repair procedures

Removal

  1. Disconnect the battery negative (-) cable.
  2. Disconnect the TCM connector (A).

  1. Remove the TCM after loosening the nuts (A).

Tightening torque : 9.8 - 11.8 N*m (1.0 - 1.2 kgf*m, 7.2 - 8.7 lb*ft)

Installaion

Installaion

  1. Install in the reverse order of removal.

Warning

Perform the clutch touch point learning procedure using the KDS after replacing TCM. Clutch Actuator Assembly

    READ NEXT:

     Clutch Actuator Assembly

    Components Fork cover Clutch actuator assembly Extension connector Motor 1 (Odd) Motor 2 (Even) Specifications Description The clutch actuator uses signals from the Transmission Control Module (TCM) to control the clutch.

     Clutch Actuator Motor

    Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover") Remove the front wheel guard (LH). (Refer to Body - "Front Wheel Guard") Disconect the clutch actuator connector (A). Motor

    SEE MORE:

     Owner maintenance schedule

    When you stop for charging Check the coolant level in the coolant reservoir. Check the windshield washer fluid level. Look for low or underinflated tires. WARNING Be careful when checking your coolant level when the motor compartment

     Filter  inspection

    The climate control air filter should be replaced according to the maintenance schedule. If the vehicle is operated in severely air-polluted cities or on dusty rough roads for a long period, it should be inspected more frequently and replaced

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