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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Automatic Transmission [U881F] - Diagnostic Codes (1 Of 2)) >> Automatic Transaxle System >> DTC P0745-7F: Pressure Control Solenoid "A" Actuator Stuck Off [09/2015 - 12/2017] >> Monitor Description

Monitor Description

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The ECM commands gear shifts by turning the shift solenoid valves on and off. According to the input shaft revolution (speed), C3 clutch drum revolution (speed) and output shaft revolution (speed), the ECM detects the actual gear (1st, 2nd, 3rd, 4th, 5th, 6th, 7th or 8th gear). When the gear commanded by the ECM and the actual gear are not the same, the ECM illuminates the MIL and stores a DTC.

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