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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Diagnostic Codes (2 Of 2) & Symptom Tests >> Automatic Transaxle System >> DTC P08BA-7F: Pressure Control Solenoid "L" Actuator Stuck Off [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

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The monitor will run whenever the following DTCs are not stored P0717, P07BF, P07C0 (Turbine speed sensor circuit)
P0793, P07C5, P07C6 (Intermediate shaft speed sensor circuit)
P0962, P0963 (Solenoid (SL1) valve circuit)
P0966, P0967 (Solenoid (SL2) valve circuit)
P0970, P0971 (Solenoid (SL3) valve circuit)
P2814, P2815 (Solenoid (SL4) valve circuit)
P281D, P281E (Solenoid (SL5) valve circuit)
P08C1, P08C2 (Solenoid (SL6) valve circuit)
P2769, P2770 (Solenoid (SL) valve circuit)
P2763, P2764 (Solenoid (SLU) valve circuit)
P2720, P2721 (Solenoid (SLT) valve circuit)
P0117, P0118 (ECT sensor circuit)
P0335, P0337, P0338 (Crankshaft position sensor circuit)
P0712, P0713 (ATF temperature sensor circuit (TFT sensor))
P0327, P0328, P0332, P0333 (KCS sensor circuit)
P0121, P0122, P0123, P0222, P0223, P0604, P0606, P060A, P060B, P060D, P060E, P061E, P0657, P0658, P2102, P2103, P2111, P2112, P2119, P2135 ((ETCS) Electronic throttle control system)
U0100 (CAN communication system)
Shift position "D", "not R" and "not N"
Elapsed time since shift lever moved from "N" to "D" 4 sec. or more
ATF temperature -10°C (14°F) or more
Engine Starting
Fail-safe function does not operate due to the following malfunctions: -
Solenoid (SL1) valve Not OFF or ON malfunction (P0746)
Solenoid (SL2) valve Not OFF or ON malfunction (P0776)
Solenoid (SL3) valve Not OFF or ON malfunction (P0796)
Solenoid (SL4) valve Not OFF or ON malfunction (P2808)
Solenoid (SL5) valve Not OFF or ON malfunction (P2817)
Solenoid (SL6) valve Not OFF or ON malfunction (P08BB)
Solenoid (SLT) valve Not OFF malfunction (P2714)
Solenoid (SLU) valve Not ON malfunction (P2757)
Solenoid (SL) valve Not ON malfunction (P0741)
All shift solenoids Not being stopped
Neutral command flag Not met
OFF MALFUNCTION (A)

ECM selected gear 3rd
Neutral state detected when 1st gear commanded -
Turbine speed - Output speed x (3rd gear ratio) Less than 50 rpm
ON MALFUNCTION (A)

ECM selected gear 3rd
Neutral state detected when 2nd gear commanded -
Turbine speed - Output speed x (3rd gear ratio) Less than 50 rpm
ON MALFUNCTION (B)

ECM selected gear 5th
Neutral state detected when 8th gear commanded -
Turbine speed - Output speed x (5th gear ratio) Less than 50 rpm

HINT: 

NEUTRAL STATE FLAG:

Turbine speed - output speed x (ECM selected gear ratio) 1000 rpm or more
NEUTRAL STATE DETECTION:

Neutral state flag ON
  1. Any of the following conditions are met: Condition (a), (b) or (c)
    1. CONDITION (A)

      ECM selected gear 1st
      Output speed x 3rd gear ratio Less than 6500 rpm
      CONDITION (B)

      ECM selected gear 2nd
      Output speed x 3rd gear ratio Less than 6500 rpm
      CONDITION (C)

      ECM selected gear 8th
      Turbine speed - output speed x 5rd gear ratio More than 50 rpm
      Output speed x 5th gear ratio Less than 6500 rpm
NEUTRAL COMMAND FLAG:

Engine speed 7200 rpm or more
Turbine speed 7200 rpm or more
  1. Any of the following conditions are met: Condition (a) or (b)
    1. Condition (a)
      ECM selected gear 6th, 7th or 8th
      Output speed x 5th gear ratio 7200 rpm or more

      Condition (b)

      ECM selected gear 4th or 5th
      Output speed x 3rd gear ratio 7200 rpm or more
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