Section 23 (Brake Control System (Diagnostics))
WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
- Basic Diagnostic Procedure
- Check List for Interview
- 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
- AVH On Indicator Light Do Not Come On
- Electronic Parking Brake Indicator Light Is Blinking
- AVH On Indicator Light Come On
- AVH Operation Indicator Light Come On
- 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
- 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 C1422: VDC Interruption For Engine Convenience
- DTC C1423: Different Ecu Specifications
- DTC C1424: ECM
- DTC C1431: At
- DTC C1432: Different Ecu Specifications
- 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 C1581: Brake Boost Negative Pressure Abnormal
- 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 C1742: Wheel Cylinder Pressure Sensor
- DTC C1751: Brake Boost Gauge 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 C1923: Auto Vehicle 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 U0100: Lost Communication With ECM/Pcm "A"
- DTC U0101: Lost Communication With TCM
- DTC U0126: Lost Communication With Steering Angle Sensor Module
- DTC U0140: Lost Communication With Body Control Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0401: Invalid Data Received From ECM/Pcm "A"
- DTC U0402: Invalid Data Received From TCM
- 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 U1433: Invalid Data Received From Eyesight
- General Diagnostic Table