P0944

2017-10-10

Description:

  • The fault code P0944 indicates that there has been a loss of pressure in the hydraulic pressure unit. This may cause the transmission to shift poorly or not shift at all.

Possible Symptoms:

  • Transmission shifts poorly or not at all

  • Illuminated check engine light

  • Harsh or delayed shifting

  • Transmission slips or fails to engage

Possible Causes:

  • Malfunctioning hydraulic pressure unit

  • Low transmission fluid level or pressure

  • Damaged wiring or connectors in the circuit

  • Failed transmission control module (TCM)

Related Parts:

  • Hydraulic Pressure Sensor: Hydraulic oil is needed for the gear lubrication system. This sensor measures oil pressure. This car's sensor has a problem which may cause difficulty in shifting gears

Possible Solutions:

  • Replace the hydraulic pressure unit

  • Check and refill the transmission fluid to the correct level

  • Inspect and repair any damaged wiring or connectors in the circuit

  • Replace the transmission control module (TCM) if necessary

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