DTC codes / Toyota codes / P1411
P1411 on Toyota vehicles means the engine control module (ECM) has detected that the exhaust gas recirculation (EGR) valve position sensor signal is outside the expected range or is not performing as the ECM's internal model predicts. The ECM compares the sensor's reported valve position against commanded position and other operating parameters, and when the correlation falls outside calibrated limits for a set time, it stores this range/performance code.
Guidance is general and written for Toyota vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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