B2220 on 2022-2025 Lexus LX — Left Front Door Lock/Unlock Switch Stuck
1 vehicles · 1 makes · $250-$1,800 repair
Most Reported On
B2220 is an OBD-II diagnostic trouble code meaning “Left Front Door Lock/Unlock Switch Stuck.” B2220 is a body code most commonly defined on GM-family vehicles as the left front (driver) door lock/unlock switch being stuck or reading an invalid state. The body control module watches the door switch inputs and sets this code when it sees a continuously active or implausible lock/unlock signal. It typically affects only the power door lock convenience function and is not a drivability or safety code. This code is most commonly reported on 2022-2025 Lexus LX, with repair costs ranging from $250 to $1,800.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose B2220, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does B2220 mean?
B2220 stands for "Left Front Door Lock/Unlock Switch Stuck." B2220 is a body code most commonly defined on GM-family vehicles as the left front (driver) door lock/unlock switch being stuck or reading an invalid state. The body control module watches the door switch inputs and sets this code when it sees a continuously active or implausible lock/unlock signal. It typically affects only the power door lock convenience function and is not a drivability or safety code.
What are the most common causes of B2220?
The most common causes of B2220 are: Stuck or shorted driver door lock/unlock switch, Worn or contaminated switch contacts, Wiring short to ground or voltage in the switch circuit, Corroded door harness connector (door boot wiring fatigue), Water intrusion into the switch or door module, Body control module input fault. The specific cause varies by vehicle.
How much does it cost to fix B2220?
Repair costs for B2220 range from $250 to $1,800, depending on the vehicle and root cause.
Which vehicles are affected by B2220?
Au7o has documented B2220 across 1 vehicle models from 1 manufacturers: Lexus.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.