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Home >> Subaru >> 2019 >> BRZ Limited, Automatic Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Vehicle Stability Control (VSC) System >> Vehicle Stability Control System >> DTC C1225: VDC Switching Valve 1 (P); DTC C1226: VDC Switching Valve 1 (S); DTC C1227: VDC Switching Valve 2 (P); DTC C1228: VDC Switching Valve 2 (S); TC C1468: FR Solenoid Valve System; DTC C1469: FL Solenoid Valve System; DTC C146A: RR Solenoid Valve System; DTC C146B: RL Solenoid Valve System >> Description of functions

Description of functions

Each solenoid adjusts the pressure applied to each wheel cylinder to control the vehicle.

While an abnormal diagnostic code is being output, the fail safe function turns OFF the solenoid relay forcibly. Therefore the solenoid will not be turned ON.

The solenoid relay and the solenoid are integrated into the brake actuator ASSY.

Diagnostic codes DTC detecting conditions Faulty part
C1225
C1226
C1227
C1228
C1468
C1469
C146A
C146B		 When the solenoid signal does not match the check result Brake actuator ASSY (Internal error)
NOTE:
Diagnostic codes Relevant solenoid
C1225 [Normal Opening Valve 1 malfunction]
C1226 [Normal Opening Valve 2 malfunction]
C1227 [Normal Closing Valve 1 malfunction]
C1228 [Normal Closing Valve 2 malfunction]
C1468 [FR Valve]
C1469 [FL Valve]
C146A [RR Valve]
C146B [RL Valve]
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