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DTC codes / Kia codes / P1412

P1412 · KiaEGR Differential Pressure Sensor Signal Low

P1412 on a Kia means the engine computer has detected a low signal voltage from the EGR differential pressure sensor, which measures the pressure drop across the exhaust gas recirculation (EGR) valve to confirm actual flow. The computer expects the sensor to report a voltage within a calibrated range, and a sustained low reading tells it the sensor circuit is grounded, shorted, or the sensor itself has failed.

SystemPowertrain
Code typeKia specific
SeverityMedium
Fix difficultyIntermediate
AreaAuxiliary emission controls
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