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 MANUALSSUBARU2016LEGACY 2.5IREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESVEHICLE DYNAMICS CONTROL (VDC) SYSTEM (DIAGNOSTICS)
2016 Subaru Legacy 2.5i
Vehicle Dynamics Control (VDC) System (Diagnostics)
2016 Subaru Legacy 2.5iSECTION Vehicle Dynamics Control (VDC) System (Diagnostics)
- Basic Diagnostic Procedure
- Check List for Interview
- Check
- Notes
- State Of Abs Warning Light
- State Of VDC Warning Light & VDC Indicator Light
- State Of VDC Off Indicator Light
- State Of Brake Warning Light
- Condition Of Electronic Parking Brake Operation Indicator Light
- Electronic Parking Brake Warning Light Condition
- Hill Hold Indicator Light Condition
- Conditions Under Which Trouble Occurs
- Check
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Subaru Select Monitor
- Read Diagnostic Trouble Code (DTC)
- Inspection Mode
- Clear Memory 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, 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, Hill Hold Indicator Light Do Not Go Off
- VDC Off Indicator Light Does Not Go Off
- Brake Warning Light Does Not Go Off
- List of 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 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 C1742 Wheel Cylinder Pressure Sensor
- DTC C1811 System
- 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 C1971 Clutch Sensor
- 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
RENDER: 1.0x
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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.