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DTC codes / P25xx · Vehicle speed, idle control and auxiliary inputs / P2580

P2580Turbocharger/Supercharger Speed Sensor A Circuit Low

P2580 means the powertrain control module (PCM) has detected a low-voltage signal on the circuit that reports the rotational speed of the turbocharger or supercharger. The sensor itself, its wiring, or the reference voltage supplied by the PCM is causing the reported speed signal to fall below the expected threshold.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaVehicle speed, idle control and auxiliary inputs

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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