DSD Information System
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 - ] >> Description

DTC C13D9-09: Brake Pressure Too Low (Brake Booster) Component Failure; DTC C14EC-00: Brake Pressure Control solenoid "C" [11/2023 - ]: Description

WARNING: This page is about a different variant/trim than selected.

Refer to DTCs C139A-00, C13D9-00 and C14EC-7E.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
C13D9-09 Brake Pressure Too Low (Brake Booster) Component Failure Fluid pressure control performance degraded (pressure excessively low).
  • Brake fluid leaks
  • Wire harness and connector
  • Brake booster with master cylinder assembly
Comes on
  • SAE Code: C13D9
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)
C14EC-00 Brake Pressure Control solenoid "C" SLA valve malfunction (stuck closed, etc.)
  • Brake fluid leaks
  • Wire harness and connector
  • Brake booster with master cylinder assembly
Comes on
  • SAE Code: C14EE
  • Output ECU: No. 2 skid control ECU (brake actuator assembly)