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Home >> Toyota >> 2017 >> 4Runner TRD Pro >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> Vehicle Stability Control System (For Hydraulic Brake Booster) - Diagnostic Codes (43, C0226-C1422) >> VEHICLE STABILITY CONTROL SYSTEM (for Hydraulic Brake Booster) >> DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit; DTC C1227: SA3 Solenoid Circuit; DTC C1228: STR Solenoid Circuit; DTC C1468: SFR Solenoid Circuit; DTC C1469: SFL Solenoid Circuit; DTC C146A: SRR Solenoid Circuit; DTC C146B: SRL Solenoid Circuit [08/2019 - ] >> Description

DTC C1225: SA1 Solenoid Circuit; DTC C1226: SA2 Solenoid Circuit; DTC C1227: SA3 Solenoid Circuit; DTC C1228: STR Solenoid Circuit; DTC C1468: SFR Solenoid Circuit; DTC C1469: SFL Solenoid Circuit; DTC C146A: SRR Solenoid Circuit; DTC C146B: SRL Solenoid Circuit [08/2019 - ]: Description

The solenoid turns on when signals are received from the skid control ECU and controls the pressure acting on the wheel cylinders, thus controlling braking force.

DTC Code DTC Detection Condition Trouble Area
C1225 An open or short circuit in the SMCF circuit continues for 0.05 seconds or more.
  • SMCF circuit
  • Master cylinder solenoid
C1226 An open or short circuit in the SREA circuit continues for 0.05 seconds or more.
  • SREA circuit
  • Master cylinder solenoid
C1227 An open or short circuit in the SREC circuit continues for 0.05 seconds or more.
  • SREC circuit
  • Master cylinder solenoid
C1228 An open or short circuit in the STR circuit continues for 0.05 seconds or more.
  • STR circuit
  • Master cylinder solenoid
C1468 An open or short circuit in the SFRH or SFRR circuit continues for 0.05 seconds or more.
  • SFRH or SFRR circuit
  • Master cylinder solenoid
C1469 An open or short circuit in the SFLH or SFLR circuit continues for 0.05 seconds or more.
  • SFLH or SFLR circuit
  • Master cylinder solenoid
C146A An open or short circuit in the SRRH or SRRR circuit continues for 0.05 seconds or more.
  • SRRH or SRRR circuit
  • Master cylinder solenoid
C146B An open or short circuit in the SRLH or SRLR circuit continues for 0.05 seconds or more.
  • SRLH or SRLR circuit
  • Master cylinder solenoid