2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Inspection Mode 4

DTC Description & trouble part Note
B2B03 Driver's Door Power Window Pulsel and 2 No Signal -
B2B04 Driver's Door Power Window Pulse 1 No Signal -
B2B05 Driver's Door Power Window Pulse 2 No Signal -
B2B06 Driver's Door Power Window Pulse Direction -
B2B07 Driver's Door Power Window Position -
B2B08 Driver's Door Power Window Continuous Reversal -
B2B09 Driver's Door Power Window Control Module EEPROM -
B2B23 Passenger's Door Power Window Pulse 1 and 2 No Signal -
B2B24 Passenger's Door Power Window Pulse 1 No Signal -
B2B25 Passenger's Door Power Window Pulse 2 No Signal -
B2B26 Passenger's Door Power Window Pulse Direction -
B2B27 Passenger's Door Power Window Position -
B2B28 Passenger's Door Power Window Continuous Reversal -
B2B29 Passenger's Door Power Window Control Module EEPROM -
B2B33 RR DOOR POWER WINDOW PULSE 1 AND 2 NO SIGNAL -
B2B34 RR DOOR POWER WINDOW PULSE 1 NO SIGNAL -
B2B35 RR DOOR POWER WINDOW PULSE 2 NO SIGNAL -
B2B36 RR DOOR POWER WINDOW PULSE DIRECTION -
B2B37 RR DOOR POWER WINDOW POSITION -
B2B38 RR DOOR POWER WINDOW CONTINUOUS REVERSAL -
B2B39 RR DOOR POWER WINDOW CONTROL MODULE EEPROM -
B2B43 RL DOOR POWER WINDOW PULSE 1 AND 2 NO SIGNAL -
B2B44 RL DOOR POWER WINDOW PULSE 1 NO SIGNAL -
B2B45 RL DOOR POWER WINDOW PULSE 2 NO SIGNAL -
B2B46 RL DOOR POWER WINDOW PULSE DIRECTION -
B2B47 RL DOOR POWER WINDOW POSITION -
B2B48 RL DOOR POWER WINDOW CONTINUOUS REVERSAL -
B2B49 RL DOOR POWER WINDOW CONTROL MODULE EEPROM -
B2B50 POWER WINDOW MAIN SWITCH FAILURE -

Diagnostic procedure:

  1. Using the Subaru Select Monitor, perform the clear memory of [Power Window (Switch)], [Power Window (Driver)], [Power Window (Passenger)], [Power Window (Rear Right)] or [Power Window (Rear Left)]. Refer to COMMON (DIAG)>CLEAR MEMORY .
  2. Using the Subaru Select Monitor, read DTC of [Power Window (Switch)], [Power Window (Driver)], [Power Window (Passenger)], [Power Window (Rear Right)] or [Power Window (Rear Left)] and check that the concerned DTC is not 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).
  3. After initialization operation Refer to POWER WINDOW (DIAGNOSTICS)>WORK SUPPORT>NOTE . operate the power window switch to roll up and down the window glass, and check that the window rolls up and down automatically.
  4. Using the Subaru Select Monitor, read DTC of [Power Window (Switch)], [Power Window (Driver)], [Power Window (Passenger)], [Power Window (Rear Right)] or [Power Window (Rear Left)] and check that the concerned DTC is not 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.
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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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