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
Inspection Mode 7
| DTC | Description & trouble part | Note |
|---|---|---|
| B2B12 | Passenger's Door Power Window Driver's Door Manual Down Switch Stuck | - |
| B2B15 | RR DOOR POWER WINDOW DRIVER'S DOOR MANUAL DOWN SWITCH STUCK | - |
| B2B18 | RL DOOR POWER WINDOW DRIVER'S DOOR MANUAL DOWN SWITCH STUCK | - |
Diagnostic procedure:
- Using the Subaru Select Monitor, perform the clear memory of [Power Window (Driver)]. Refer to COMMON (DIAG)>CLEAR MEMORY .
- Using the Subaru Select Monitor, read the DTC of [Power Window (Driver)] to check that there is no DTC displayed. Refer to POWER WINDOW (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step 1).
- Press down the driver's side main switch and check that the window rolls down.
- Using the Subaru Select Monitor, read the DTC of [Power Window (Driver)] to check that there is no DTC displayed. Refer to POWER WINDOW (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.
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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