P0778: Pressure Control Solenoid B Electrical

MediumPowertrainTransmission

What does P0778 mean?

P0778 is a diagnostic trouble code indicating "Pressure Control Solenoid B Electrical". This code relates to your vehicle's transmission and should be diagnosed to determine the root cause. The severity level helps indicate how urgently this should be addressed.

Common causes

  • Faulty transmission 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 P0778 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

P0777Pressure Control Solenoid B Stuck On
P0779Pressure Control Solenoid B Intermittent
P0776Pressure Control Solenoid B Performance or Stuck off
P0780Shift Malfunction