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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 135 (Electronically Controlled Brake System (HV) - Diagnostic Codes (09 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C13D9-09: Brake Pressure Too Low (Brake Booster) Component Failure; DTC C14EC-00: Brake Pressure Control solenoid "C" [11/2023 - ] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
C13D9 (CASE 1-1)

Both of the following conditions are met -
Difference between target brake pressure and servo pressure Higher than 2.7 to 4.14 MPa (27.5 to 42.2 kgf/cm2 , 392 to 601 psi)
Delay of servo pressure increase Higher than 0.3 to 4.584 seconds
C13D9 (CASE 1-2)

Both of the following conditions are met -
Difference between target brake pressure and servo pressure Higher than 1.5 MPa (15.3 kgf/cm2 , 218 psi)
Delay of servo pressure increase Higher than 0.3 to 4.584 seconds
C14EE

Servo pressure 0.1 MPa (1 kgf/cm2 , 15 psi) or less