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.
2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Power Window System DTCS
POWER WINDOW SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| Code | Reference |
|---|---|
| B2B00 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B00 DRIVER'S DOOR POWER WINDOW AUTO SWITCH STUCK . |
| B2B01 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B01 DRIVER'S DOOR POWER WINDOW MANUAL UP SWITCH STUCK . |
| B2B02 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B02 DRIVER'S DOOR POWER WINDOW MANUAL DOWN SWITCH STUCK . |
| B2B03 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B03 DRIVER'S DOOR POWER WINDOW PULSE1 AND 2 NO SIGNAL . |
| B2B04 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B04 DRIVER'S DOOR POWER WINDOW PULSE 1 NO SIGNAL . |
| B2B05 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B05 DRIVER'S DOOR POWER WINDOW PULSE 2 NO SIGNAL . |
| B2B06 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B06 DRIVER'S DOOR POWER WINDOW PULSE DIRECTION . |
| B2B07 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B07 DRIVER'S DOOR POWER WINDOW POSITION . |
| B2B08 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B08 DRIVER'S DOOR POWER WINDOW CONTINUOUS REVERSAL . |
| B2B09 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B09 DRIVER'S DOOR POWER WINDOW CONTROL MODULE EEPROM . |
| B2B10 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B10 PASSENGER'S DOOR POWER WINDOW DRIVER'S DOOR AUTO SWITCH STUCK . |
| B2B11 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B11 PASSENGER'S DOOR POWER WINDOW DRIVER'S DOOR MANUAL UP SWITCH STUCK . |
| B2B12 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B12 PASSENGER'S DOOR POWER WINDOW DRIVER'S DOOR MANUAL DOWN SWITCH STUCK . |
| B2B14 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B14 RR DOOR POWER WINDOW DRIVER'S DOOR MANUAL UP SWITCH STUCK . |
| B2B15 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B15 RR DOOR POWER WINDOW DRIVER'S DOOR MANUAL DOWN SWITCH STUCK . |
| B2B17 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B17 RL DOOR POWER WINDOW DRIVER'S DOOR MANUAL UP SWITCH STUCK . |
| B2B18 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B18 RL DOOR POWER WINDOW DRIVER'S DOOR MANUAL DOWN SWITCH STUCK . |
| B2B20 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B20 PASSENGER'S DOOR POWER WINDOW AUTO SWITCH STUCK . |
| B2B21 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B21 PASSENGER'S DOOR POWER WINDOW MANUAL UP SWITCH STUCK . |
| B2B22 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B22 PASSENGER'S DOOR POWER WINDOW MANUAL DOWN SWITCH STUCK . |
| B2B23 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B23 PASSENGER'S DOOR POWER WINDOW PULSE 1 AND 2 NO SIGNAL . |
| B2B24 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B24 PASSENGER'S DOOR POWER WINDOW PULSE 1 NO SIGNAL . |
| B2B25 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B25 PASSENGER'S DOOR POWER WINDOW PULSE 2 NO SIGNAL . |
| B2B26 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B26 PASSENGER'S DOOR POWER WINDOW PULSE DIRECTION . |
| B2B27 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B27 PASSENGER'S DOOR POWER WINDOW POSITION . |
| B2B28 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B28 PASSENGER'S DOOR POWER WINDOW CONTINUOUS REVERSAL . |
| B2B29 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B29 PASSENGER'S DOOR POWER WINDOW CONTROL MODULE EEPROM . |
| B2B31 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B31 RR DOOR POWER WINDOW MANUAL UP SWITCH STUCK . |
| B2B32 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B32 RR DOOR POWER WINDOW MANUAL DOWN SWITCH STUCK . |
| B2B33 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B33 RR DOOR POWER WINDOW PULSE 1 AND 2 NO SIGNAL . |
| B2B34 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B34 RR DOOR POWER WINDOW PULSE 1 NO SIGNAL . |
| B2B35 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B35 RR DOOR POWER WINDOW PULSE 2 NO SIGNAL . |
| B2B36 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B36 RR DOOR POWER WINDOW PULSE DIRECTION . |
| B2B37 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B37 RR DOOR POWER WINDOW POSITION . |
| B2B38 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B38 RR DOOR POWER WINDOW CONTINUOUS REVERSAL . |
| B2B39 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B39 RR DOOR POWER WINDOW CONTROL MODULE EEPROM . |
| B2B41 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B41 RL DOOR POWER WINDOW MANUAL UP SWITCH STUCK . |
| B2B42 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B42 RL DOOR POWER WINDOW MANUAL DOWN SWITCH STUCK . |
| B2B43 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B43 RL DOOR POWER WINDOW PULSE 1 AND 2 NO SIGNAL . |
| B2B44 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B44 RL DOOR POWER WINDOW PULSE 1 NO SIGNAL . |
| B2B45 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B45 RL DOOR POWER WINDOW PULSE 2 NO SIGNAL . |
| B2B46 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B46 RL DOOR POWER WINDOW PULSE DIRECTION . |
| B2B47 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B47 RL DOOR POWER WINDOW POSITION . |
| B2B48 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B48 RL DOOR POWER WINDOW CONTINUOUS REVERSAL . |
| B2B49 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B49 RL DOOR POWER WINDOW CONTROL MODULE EEPROM . |
| B2B50 | Ref. to POWER WINDOW (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC B2B50 POWER WINDOW MAIN SWITCH FAILURE . |
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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