P0942: Hydraulic Pressure Unit

MediumPowertrainEngine Electronics

What does P0942 mean?

P0942 is a diagnostic trouble code indicating "Hydraulic Pressure Unit". 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?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Code P0942 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
P0944Hydraulic Pressure Unit Loss of Pressure
P0945Hydraulic Pump Relay Circuit / Open
P0946Hydraulic Pump Relay Circuit Range/Performance