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DQ200 U0101 no communication between Transmission Control Module

DQ200 U0101 Communication between Transmission Control Module not possible


The DSG DQ200 automatic transmission, one of the most popular DSG transmissions within the VAG group, can develop certain problems over time that require repair. A common problem is poor communication with the TCM transmission control module .

DQ200 error code U0101Communication problem between the Transmission Control Module (TCM) and the Controller Area Network (CAN) DSG (Direct Shift Gearbox) is an automatic gearbox used in models from Volkswagen, Audi, Skoda and Seat.

The DSG-7 transmission control module operates the mechatronic clutch system and provides communication with the engine. If the customer complaint is based on the code U0101 Communication impossible, the problem lies with the communication cable of the Transmission Control Module (TCM) and the Controller Area Network (CAN).

How can you fix error code U0101?


DSG DQ200 fault code U0101 is a serious fault that must be rectified as soon as possible to prevent further damage to the gearbox.

The solution depends on the location and diagnosis of the problem. In some cases, the problem can be solved by checking and replacing the fuse, wiring, connectors, or the Transmission Control Module (TCM).

How much does it cost to repair a TCM DQ200 DSG gearbox?

The cost of repairing a DQ200 transmission with a defective Transmission Control Module (TCM) is significantly less than purchasing a new part. Replacing the mechatronics with a new one can cost 3,000 euros.

Our alternative is the repair of defective mechatronics DQ200 . The repair eliminates factory production errors. The price for repairing only the Transmission Control Module (TCM) DQ200 without installation in your car ranges from 350 to 450 euros. The price for repairing a defective mechatronics DQ200 with installation is 1000-1500 euros.

Regular maintenance prevents more serious malfunctions. Change the oil every 40-60 thousand kilometers. It is also worth performing computer diagnostics at each visit to the service center. Find your part by part number.

DQ200 U0101 no communication between Transmission Control Module

  • When your TCU DSG DQ200 is damaged, you will usually see one of the error codes below:

    • U0101Communication problem between the transmission control module (TCM)
    • VAG10902Hydraulic pump
    • VAG10785Transmission Fluid Pressure Sensor
    • P17BFHydraulic pump system overload protection
    • P189CFunction Restriction due to Insufficient Pressure build up
    • P1895Function restriction due to pressure drop
    • P0841Transmission fluid pressure sensor/switch 1

  • When we talk aboutrepairing a DSG transmission, it is good to know that there are also other transmissions. Consider theDQ500and DQ381. DSG transmission DQ500, a more robust variant that excels in powerful engines (for example in VW Transporter 2.0 TDI) ensures optimal power transfer or Transmission DSG DQ381 mounted, for example, in VW Tiguan 1.4 TSI that require their own specific approach. In addition to revisions, we are also familiar withTCU clones, a process that can be essential when switching to another transmission or when repair is not possible.

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