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 Lexus NX 450h+ BaseFACTORY OEM SERVICE PROCEDURE
Power Window Control System
POWER WINDOW CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B2312 | Power Window Switch Malfunction |
| B231D-96 | D-Door P/W Motor Component Internal Failure |
| B231E-96 | P-Door P/W Motor Component Internal Failure |
| B231F-96 | RR-Door P/W Motor Component Internal Failure |
| B2320-96 | RL-Door P/W Motor Component Internal Failure |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.