P189C Fault Code

The error code “P189C/006300 – Function Restriction due to Insufficient Pressure Build-Up” indicates that the transmission is experiencing problems due to inadequate hydraulic pressure. This code specifically relates to the DQ200 transmission, which is a 7-speed dual-clutch transmission used by Volkswagen Group brands.

Explanation:

  • Insufficient Pressure Build-Up: The transmission control unit has detected that the hydraulic pressure in the transmission is below the required level for proper operation. This can lead to reduced performance, erratic shifting, or restricted functionality.

Possible Causes:

  1. Low Transmission Fluid Levels: Insufficient fluid can prevent proper pressure build-up.
  2. Faulty Pressure Sensors: Sensors that measure hydraulic pressure may be malfunctioning.
  3. Hydraulic Pump Issues: Problems with the hydraulic pump can result in inadequate pressure.
  4. Leaking Hydraulic Lines: Leaks in the system can cause pressure to drop.
  5. Clogged Filters: Blocked filters can obstruct fluid flow and pressure.

Models with the DQ200 Transmission:

Volkswagen:

  • Golf (Mk6, Mk7)
  • Polo (Mk5)
  • Passat (B7)
  • Jetta (Mk6)
  • Tiguan (Mk1, Mk2)
  • Up!

Audi:

  • A3 (8P, 8V)
  • A1 (8X)
  • Q3 (8U)

Seat:

  • Leon (Mk2, Mk3)
  • Ibiza (Mk4, Mk5)
  • Altea

Skoda:

  • Octavia (Mk2, Mk3)
  • Superb (Mk2, Mk3)
  • Rapid
  • Yeti

For specific diagnosis and repair, refer to the vehicle’s service manual or consult with a professional technician familiar with the DQ200 transmission system.

Otomatec P189C Repair Kit – Mechatronic Hydraulic Accumulator

DSG transmission is a complex system that can easily cause problems. Since its launch, some cases of faults in the DSG transmission system caused by the accumulator have been reported. Otomatec DSG 7 DQ200 transmission mechatronic hydraulic accumulator is designed to get rid of these malfunctions.

If you have P17BF, P189C, P1895 fault codes, you can easily solve these errors with the Otomatec DSG Repair Kit

Otomatec DSG 7 / DQ200 Repair Kit