Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2022IMPREZA BASE, 4D SEDAN, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 14 (BRAKE CONTROL SYSTEM (DIAGNOSTICS) (HEV))
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT Trans
Section 14 (Brake Control System (Diagnostics) (HEV))
2022 Subaru Impreza Base, 4D Sedan, Automatic CVT TransSECTION Section 14 (Brake Control System (Diagnostics) (HEV))
WARNING: This page is about a different car, the 2022 Subaru Crosstrek. However, it is still accessible from the selected car via links, so may be relevant.
- Basic Diagnostic Procedure
- Check List For Interview
- Check
- Notes
- State Of Abs Warning Light
- State Of VDC Warning Light And VDC Indicator Light
- State Of VDC Off Indicator Light
- Brake Warning Light And Electric Parking Brake Warning Light Status
- Condition Of Electronic Parking Brake Operation Indicator Light
- Hill Hold Indicator Light Condition
- Conditions Under Which Trouble Occurs
- Check
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Inspection Mode
- Warning Light Illumination Pattern
- Inspection
- EBD Warning Light, Abs Warning, VDC Off Indicator Light, VDC Warning Light And VDC Indicator Light Do Not Come On
- Electronic Parking Brake Indicator Light Do Not Come On
- Hill Hold Indicator Light Do Not Come On
- Electronic Parking Brake Indicator Light Is Blinking
- Abs Warning Light Does Not Go Off
- VDC Warning Light And VDC Indicator Light Do Not Go Off
- Electronic Parking Brake Indicator Light Do Not Go Off
- Hill Hold Indicator Light Do Not Go Off
- VDC Off Indicator Light Does Not Go Off
- Brake Warning Light Does Not Go Off
- Diagnostic Procedure For Subaru Select Monitor Communication
- Data Monitor
- Freeze Frame Data
- Work Support
- Diagnostic Trouble Code (DTC)
- Diagnostic Procedure With Diagnostic Trouble Code (DTC)
- DTC C1211: Front Right Abs Sensor Circuit
- DTC C1221: Front Left Abs Sensor Circuit
- DTC C1231: Rear Right Abs Sensor Circuit
- DTC C1241: Rear Left Abs Sensor Circuit
- DTC C1212: Front Right Abs Sensor Signal
- DTC C1222: Front Left Abs Sensor Signal
- DTC C1232: Rear Right Abs Sensor Signal
- DTC C1242: Rear Left Abs Sensor Signal
- DTC C1311: Fr Hold Valve
- DTC C1312: Fr Pressure Reducing Valve
- DTC C1321: Fl Hold Valve
- DTC C1322: Fl Pressure Reducing Valve
- DTC C1331: RR Hold Valve
- DTC C1332: RR Pressure Reducing Valve
- DTC C1341: RL Hold Valve
- DTC C1342: RL Pressure Reducing Valve
- DTC C1351: Normal Opening Valve 1
- DTC C1352: Normal Opening Valve 2
- DTC C1361: Normal Closing Valve 1
- DTC C1362: Normal Closing Valve 2
- DTC C1411: Electrical Control Module
- DTC C1412: Selected Parameter
- DTC C1413: Power Supply Voltage
- DTC C1453: Shift Position Information Range/Performance
- DTC C1454: Power Unit Torque Control Inhibit
- DTC C1455: Power Unit Torque Range/Performance
- DTC C1511: Valve Relay
- DTC C1521: Motor Relay
- DTC C1531: BLS Off Stuck
- DTC C1532: BLS On Stuck
- DTC C1571: Brake Lamp Relay Off Stuck
- DTC C1711: Steering Angle Sensor
- DTC C1721: Yaw Rate Sensor
- DTC C1732: Lateral G Sensor
- DTC C1733: Longitudinal G Sensor
- DTC C1741: Pressure Sensor
- DTC C1811: System
- DTC C1821: Brake Temperature Abnormal
- DTC C1831: Insufficient Deceleration During Dynamic Parking Brake Operation
- DTC C1921: Parking Position Switch Circuit
- DTC C1922: Hill Hold Switch Circuit
- DTC C1935: Ignition Switch Circuit
- DTC C1942: Power Supply Voltage
- DTC C1951: Actuator
- DTC C1954: RH Actuator
- DTC C1955: LH Actuator
- DTC C1956: RH Actuator Circuit
- DTC C1957: LH Actuator Circuit
- DTC C1983: High Frequency Operation
- DTC C1984: Brake Maintenance Mode
- DTC C1985: Forbidden State Of Dynamic Actuator Operation
- DTC U0073: Control Module Communication Bus Off
- DTC U0078: Control Module Communication Bus "C-Can" Off
- DTC U0126: Lost Communication With Steering Angle Sensor Module
- DTC U0129: Lost Communication With Brake System Control Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0418: Invalid Data Received From Brake System Control Module
- DTC U0422: Invalid Data Received From Body Control Module
- DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module
- DTC U0428: Invalid Data Received From Steering Angle Sensor Module
- DTC U1235: LOST COMMUNICATION WITH EyeSight
- DTC U128E: LOST COMMUNICATION WITH EyeSight C-CAN
- DTC U128F: Lost Communication With Hybrid Powertrain Control Module C-Can
- DTC U1433: INVALID DATA RECEIVED FROM EyeSight
- DTC U158F: INVALID DATA RECEIVED FROM EyeSight C-CAN
- DTC U1590: Invalid Data Received From Hybrid Powertrain Control Module C-Can
- General Diagnostic Table
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.