DQ250 fault code

P1819 — Pressure control valve 2 N216 — open/short to ground

Reference detail for fault code P1819 on the DQ250 DSG transmission family.

DQ250 Valve / solenoid electrical Review
Description

What P1819 indicates

The DQ250 transmission control unit stores P1819 when it detects the following condition: Pressure control valve 2 N216 — open/short to ground. The fault is electrical: the control unit monitors the current and resistance of each solenoid and pressure control valve, and stores the code when it detects an open circuit, a short circuit or a control current outside the expected range. A stored code does not by itself prove that a part has failed. Before replacing anything, check the live data, wiring, connectors, power supply and fluid condition, and confirm the fault on the vehicle.

Symptoms

  • Harsh or missing gear changes
  • Some gears unavailable
  • Emergency mode, often with only certain gears
  • Transmission warning light

Possible causes

  • Faulty solenoid or pressure control valve coil
  • Damaged internal wiring or connector in the mechatronic unit
  • Fault in the valve driver stage of the control electronics
  • Contaminated transmission fluid affecting valve operation

Related components

Solenoid / pressure control valve · Mechatronic valve body · Transmission control unit (TCU)

Fault codeP1819
TransmissionDQ250 (6-speed wet DSG)
Factory code02E
CategoryValve / solenoid electrical
StatusDocumented — review advised

This code is documented but not independently confirmed. Confirm it against the specific vehicle before ordering any part.

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