Error P1844 - Control solenoid valve Y3/7y5 shift pressure


Reading error codes in a car is a crucial step in diagnosing problems with various vehicle systems, such as the engine, braking system, steering system, and other electronic systems.

Reading error codes with a diagnostic scanner. This is an electronic device that connects to the OBD-II (On-Board Diagnostics II) connector, usually located under the dashboard. Once connected, the scanner can read error codes recorded by various vehicle control modules. These codes are usually numbers that indicate specific problems or malfunctions in individual systems.

If you connected a diagnostic computer and received an error code P1844 this means that the driver automatic or semi-automatic gearbox is probably damaged.

Error description P1844:

Control solenoid valve Y3/7y5 shift pressure


Error symptoms P1844:

  • After the engine warms up, the gearbox enters emergency mode
  • Turbine speed sensor errors
  • Solenoid valve errors, sensor error
  • Gearbox does not work, unable to move
  • Incomprehensible speed signal from the sensor - signal disrupted
  • Gearbox jerks


It is found in cars such as:

  • Siemens 722.7 - Mercedes-Benz Vaneo, W 414, A-klasa, A 140, A 160, A 160 DI, A 170, A 170 CDI, A 190, A 210, W 168


Solving the problem P1844:

  • Driver repair automatic or semi-automatic gearbox
  • Call us +48 796 160 103


Błąd P1844 -