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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Engine Control System (3UR-FBE) - Diagnostic Codes (3 Of 6)) >> SFI System >> DTC P0550: Power Steering Pressure Sensor Circuit Malfunction; DTC P0552: Power Steering Pressure Sensor Circuit Low Input; DTC P0553: Power Steering Pressure Sensor Circuit High Input [08/2015 - 08/2017] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2018 Toyota Sequoia, 2017 Toyota Sequoia, and 2016 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

The ECM monitors the sensor voltage and uses this value to regulate the engine idling speed. When the sensor output voltage deviates from the normal operating range, the ECM determines that there is a malfunction in the power steering oil pressure sensor and stores a DTC.

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