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.
Diagnostic Trouble Code Chart
2010 Lexus RX 450h 3.5 BSECTION Diagnostic Trouble Code Chart
BACK DOOR CLOSER SYSTEM
| DTC Code | Detection Item | Trouble Area | Refer To |
|---|---|---|---|
| B2250 | Back Door Closer Operation Malfunction | 1. Back door lock assembly 2. Wire harness or connector 3. Power back door ECU (Power back door motor unit) |
Refer to DTC B2250: Back Door Closer Operation Malfunction |
| B2251 | Back Door Closer Switch Malfunction | 1. Back door lock assembly 2. Wire harness or connector 3. Power back door ECU (Power back door motor unit) |
Refer to DTC B2251: Back Door Closer Switch Malfunction |
RENDER: 1.0x
NO RELATED
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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.