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 Window System (Diagnostics)
- Basic Diagnostic Procedure
- Check List for Interview
- General Description
- Electrical Component Location
- Control Module I/O Signal
- Inspection Mode
- Diagnostic Procedure for Subaru Select Monitor Communication
- Data Monitor
- Freeze Frame Data
- Active Test
- Work Support
- Diagnostic Trouble Code (DTC)
- Diagnostic Procedure with Diagnostic Trouble Code (DTC)
- DTC B2B00: Driver's Door Power Window Auto Switch Stuck
- DTC B2B01: Driver's Door Power Window Manual Up Switch Stuck
- DTC B2B02: Driver's Door Power Window Manual Down Switch Stuck
- DTC B2B03: Driver's Door Power Window Pulse1 And 2 No Signal
- DTC B2B04: Driver's Door Power Window Pulse 1 No Signal
- DTC B2B05: Driver's Door Power Window Pulse 2 No Signal
- DTC B2B06: Driver's Door Power Window Pulse Direction
- DTC B2B07: Driver's Door Power Window Position
- DTC B2B08: Driver's Door Power Window Continuous Reversal
- DTC B2B09: Driver's Door Power Window Control Module EEPROM
- DTC B2B10: Passenger's Door Power Window Driver's Door Auto Switch Stuck
- DTC B2B11: Passenger's Door Power Window Driver's Door Manual Up Switch Stuck
- DTC B2B12: Passenger's Door Power Window Driver's Door Manual Down Switch Stuck
- DTC B2B13: RR Door Power Window Driver's Door Auto Switch Stuck
- DTC B2B14: RR Door Power Window Driver's Door Manual Up Switch Stuck
- DTC B2B15: RR Door Power Window Driver's Door Manual Down Switch Stuck
- DTC B2B16: RL Door Power Window Driver's Door Auto Switch Stuck
- DTC B2B17: RL Door Power Window Driver's Door Manual Up Switch Stuck
- DTC B2B18: RL Door Power Window Driver's Door Manual Down Switch Stuck
- DTC B2B20: Passenger's Door Power Window Auto Switch Stuck
- DTC B2B21: Passenger's Door Power Window Manual Up Switch Stuck
- DTC B2B22: Passenger's Door Power Window Manual Down Switch Stuck
- DTC B2B23: Passenger's Door Power Window Pulse 1 And 2 No Signal
- DTC B2B24: Passenger's Door Power Window Pulse 1 No Signal
- DTC B2B25: Passenger's Door Power Window Pulse 2 No Signal
- DTC B2B26: Passenger's Door Power Window Pulse Direction
- DTC B2B27: Passenger's Door Power Window Position
- DTC B2B28: Passenger's Door Power Window Continuous Reversal
- DTC B2B29: Passenger's Door Power Window Control Module EEPROM
- DTC B2B30: RR Door Power Window Auto Switch Stuck
- DTC B2B31: RR Door Power Window Manual Up Switch Stuck
- DTC B2B32: RR Door Power Window Manual Down Switch Stuck
- DTC B2B33: RR Door Power Window Pulse 1 And 2 No Signal
- DTC B2B34: RR Door Power Window Pulse 1 No Signal
- DTC B2B35: RR Door Power Window Pulse 2 No Signal
- DTC B2B36: RR Door Power Window Pulse Direction
- DTC B2B37: RR Door Power Window Position
- DTC B2B38: RR Door Power Window Continuous Reversal
- DTC B2B39: RR Door Power Window Control Module EEPROM
- DTC B2B40: RL Door Power Window Auto Switch Stuck
- DTC B2B41: RL Door Power Window Manual Up Switch Stuck
- DTC B2B42: RL Door Power Window Manual Down Switch Stuck
- DTC B2B43: RL Door Power Window Pulse 1 And 2 No Signal
- DTC B2B44: RL Door Power Window Pulse 1 No Signal
- DTC B2B45: RL Door Power Window Pulse 2 No Signal
- DTC B2B46: RL Door Power Window Pulse Direction
- DTC B2B47: RL Door Power Window Position
- DTC B2B48: RL Door Power Window Continuous Reversal
- DTC B2B49: RL Door Power Window Control Module EEPROM
- DTC B2B50: Power Window Main Switch Failure
- Diagnostics with Phenomenon
- List
- Inspection
- Driver's Side Power Window Does Not Work
- Passenger's Side Power Window Does Not Work
- Rear Left Power Window Does Not Work By Rear Left Seat Switch. (With Auto Function Equipped For Front Seats Only)
- Rear Left Power Window Does Not Work By Rear Left Seat Switch. (With Auto Function Equipped For All Seats)
- Rear Right Power Window Does Not Work By Rear Right Seat Switch. (With Auto Function Equipped For Front Seats Only)
- Rear Right Power Window Does Not Work By Rear Right Seat Switch. (With Auto Function Equipped For All Seats)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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