P0944: Hydraulic Pressure Unit Loss of Pressure

HighPowertrainEngine Electronics

What does P0944 mean?

P0944 is a diagnostic trouble code indicating "Hydraulic Pressure Unit Loss of Pressure". This code relates to your vehicle's engine electronics and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty engine electronics component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

This is a significant issue that should be diagnosed and repaired soon. Avoid long trips or heavy driving until the problem is resolved. Continued driving may cause additional damage.

Get a diagnosis for YOUR car

Code P0944 can mean different things depending on your vehicle. TorqueBot gives you a diagnosis specific to your make, model, and year.

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Related codes

P0943Hydraulic Pressure Unit Cycling Period Too Short
P0945Hydraulic Pump Relay Circuit / Open
P0942Hydraulic Pressure Unit
P0946Hydraulic Pump Relay Circuit Range/Performance