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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Diagnostic Codes (1 Of 2) >> Automatic Transaxle System >> DTC P0775-7F: Pressure Control Solenoid "B" Actuator Stuck Off [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

OFF malfunction 

  1. Any of the following conditions are met: OFF malfunction (A), (B) or (C)
    OFF MALFUNCTION (A)

    4th gear pass detection Met
    OFF MALFUNCTION (B)

    Neutral state flag ON
    OFF MALFUNCTION (C)

    Solenoid (SLT) valve ON malfunction
    ECM selected gear 5th, 6th, 7th or 8th
    5th gear pass detection Not fixed
    6th gear pass detection Not fixed
    7th gear pass detection Not fixed
    8th gear pass detection Not fixed

ON malfunction 

  1. Any of the following conditions are met: ON malfunction (A), (B), (C) or (D)
    ON MALFUNCTION (A), (B), (C) AND (D)

    Either of the following conditions is met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.142 or more and 1.323 or less
    (When output speed less than 550 rpm)
    (b) Turbine speed - Output speed x 5th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 550 rpm or more)

HINT: 

NEUTRAL STATE FLAG:

Turbine speed - Output speed x (ECM selected gear ratio) 1000 rpm or more