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.
2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Power Steering System (Diagnostics)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Inspection Mode
- Warning Light Illumination Pattern
- Diagnostic Procedure for Subaru Select Monitor Communication
- Data Monitor
- Freeze Frame Data
- Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC C2511: Torque Sensor Main
- DTC C2512: Torque Sensor Sub
- DTC C2513: Torque Sensor Much Tolerance
- DTC C2514: Torque Sensor Power Supply
- DTC C2521: Motor Malfunction
- DTC C2522: Resolver Sensor
- DTC C2531: Control Module CPU
- DTC C2532: Control Module Peripheral Circuit
- DTC C2533: Control Module Board Temperature Sensor
- DTC C2541: Vehicle Dynamics Control Module Vehicle Speed Sensor
- DTC C2544: Auto Start Stop System
- DTC C2545: Eyesight System
- DTC C2546: Eyesight Value
- DTC C2547: Eyesight Check Sum
- DTC C2551: Power Supply Relay
- DTC U0079: Control Module Communication Bus "G" Off
- DTC U007A: Control Module Communication Bus "H" Off
- DTC U0100: Lost Communication With ECM/Pcm "A"
- DTC U0122: Lost Communication With Vehicle Dynamics Control Module
- DTC U0126: Lost Communication With Steering Angle Sensor Module
- DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module
- DTC U0401: Invalid Data Received From ECM/Pcm "A"
- DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module
- DTC U1120: Lost Communication With AUTOSTART Stop Control Module
- DTC U1235: Lost Communication With Eyesight
- DTC U1433: Invalid Data Received From Eyesight
- DTC U1469: Invalid Data Received From AUTOSTART Stop Control Module
Factory Service Tools
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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.
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