P2578

Turbocharger Speed Sensor Circuit

DTC P2578, sometimes indicated as P257800 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the engine idling stability causing turbocharger speed sensor circuit.

  • P2578: Turbocharger Speed Sensor Circuit
  • P2578: Turbocharger (TC) speed sensor – circuit malfunction
  • P2578 00: Turbocharger (TC) speed sensor - circuit malfunction

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