DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 36 (Electronically Controlled Brake System (HV) - Diagnostic Codes (06 Of 11)) >> ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model) >> DTC C121F-49: Lost Communication with Electronic Brake Booster Control Module "A" Internal Electronic Failure; DTC C14F1-12: Brake Pressure Control Solenoid "C" Control Circuit Short to Battery; DTC C14F1-14: Brake Pressure Control Solenoid "C" Control Circuit Short to Ground or Open; DTC C14F1-18: Brake Pressure Control Solenoid "C" Control Circuit Current Below Threshold; DTC C14F1-19: Brake Pressure Control Solenoid "C" Control Circuit Current Above Threshold; DTC C14F1-1D: Brake Pressure Control Solenoid "C" Control Circuit Current Out of Range; DTC C14FA-12: Brake Pressure Control Solenoid "D" Control Circuit Short to Battery; DTC C14FA-14: Brake Pressure Control Solenoid "D" Control Circuit Short to Ground or Open; DTC C14FA-18: Brake Pressure Control Solenoid "D" Control Circuit Current Below Threshold; DTC C14FA-19: Brake Pressure Control Solenoid "D" Control Circuit Current Above Threshold; DTC C14FA-1D: Brake Pressure Control Solenoid "D" Control Circuit Current Out of Range; DTC C1507-12: Brake Pressure Control solenoid "E" Control Circuit Short to Battery; DTC C1507-14: Brake Pressure Control solenoid "E" Control Circuit Short to Ground or Open; DTC C1507-18: Brake Pressure Control solenoid "E" Control Circuit Current Below Threshold; DTC C1507-19: Brake Pressure Control solenoid "E" Control Circuit Current Above Threshold; DTC C1507-1D: Brake Pressure Control solenoid "E" Control Circuit Current Out of Range; DTC C150D-12: Brake Pressure Control solenoid "F" Control Circuit Short to Battery; DTC C150D-14: Brake Pressure Control solenoid "F" Control Circuit Short to Ground or Open; DTC C150D-18: Brake Pressure Control solenoid "F" Control Circuit Current Below Threshold; DTC C150D-19: Brake Pressure Control solenoid "F" Control Circuit Current Above Threshold; DTC C150D-1D: Brake Pressure Control solenoid "F" Control Circuit Current Out of Range [12/2019 - 10/2021] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
Related DTCs C121F: Brake system voltage performance
C14F3: Brake pressure control solenoid (SLA) circuit low
C14F4: Brake pressure control solenoid (SLA) circuit high
C14FC: Brake pressure control solenoid (SLR) circuit low
C14FD: Brake pressure control solenoid (SLR) circuit high
C1509: Brake pressure control solenoid (SSA) circuit low
C150A: Brake pressure control solenoid (SSA) circuit high
C150F: Brake pressure control solenoid (SGH) circuit low
C1510: Brake pressure control solenoid (SGH) circuit high
Required Sensors/Components (Main) No. 2 skid control ECU (brake actuator assembly)
Brake actuator (brake booster with master cylinder assembly)
Required Sensors/Components (Related) No. 2 skid control ECU (brake actuator assembly)
Brake actuator (brake booster with master cylinder assembly)
Frequency of Operation Continuous
Duration 0.012 seconds: C121F (Case 2)
0.054 seconds: C14F3 (Case 1, 3 and 5), C14F4 (Case 1, 3, 5 and 7), C14FC (Case 1, 3 and 5), C14FD (Case 1, 3, 5 and 7), C1509 (Case 1, 3 and 5), C150A (Case 1, 3, 5 and 7), C150F (Case 1, 3 and 5) and C1510 (Case 1, 3, 5 and 7),
0.102 seconds: C121F (Case 1)
0.216 seconds: C14F3 (Case 2, 4 and 6), C14F4 (Case 2, 4, 6 and 8), C14FC (Case 2, 4 and 6), C14FD (Case 2, 4, 6 and 8), C1509 (Case 2, 4 and 6), C150A (Case 2, 4, 6 and 8), C150F (Case 2, 4 and 6) and C1510 (Case 2, 4, 6 and 8)
MIL Operation Immediately
Sequence of Operation None