P1775: Transmission System MIL Fault

MediumPowertrainTransmission

What does P1775 mean?

P1775 is a diagnostic trouble code indicating "Transmission System MIL Fault". 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

  • Low or degraded transmission fluid
  • Worn clutch packs or bands
  • Faulty shift solenoid
  • Wiring issue to the transmission control module
  • Failing torque converter

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.

Get a diagnosis for YOUR car

Code P1775 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

P1778Transmission Reverse I/P Circuit Malfunction
P1770Clutch Solenoid Circuit Malfunction
P1769AG4 Transmission Torque Modulation Fault
P1767Torque Converter Clutch Circuit Malfunction