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.
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HOMESERVICE MANUALSLEXUS2010LS 460L AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 56 (SMART ACCESS SYSTEM (KEYLESS START) (DIAGNOSTIC CODES & SYMPTOM TESTS))
2010 Lexus LS 460L AWD
Section 56 (Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests))
2010 Lexus LS 460L AWDSECTION Section 56 (Smart Access System (Keyless Start) (Diagnostic Codes & Symptom Tests))
WARNING: This page is about a different car, the 2010 Lexus GS 450h. However, it is still accessible from the selected car via links, so may be relevant.
- Smart Access System With Push-Button Start
- DTC B2271: Ignition Hold Monitor Malfunction
- DTC B2272: Ignition 1 Monitor Malfunction
- DTC B2273: Ignition 2 Monitor Malfunction
- DTC B2274: ACC Monitor Malfunction
- DTC B2275: STSW Monitor Malfunction
- DTC B2277: Detecting Vehicle Submersion
- DTC B2278: Power Switch Circuit Malfunction
- DTC B2281: "P" Signal Malfunction
- DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction
- DTC B2284: Brake Signal Malfunction
- DTC B2285: Steering Lock Position Signal Circuit Malfunction; DTC B2288: Steering Lock Signal Circuit Malfunction
- DTC B2286: Runnable Signal Malfunction
- DTC B2287: LIN Communication Master Malfunction
- DTC B2289: Key Collation Waiting Time Over
- Power Source Mode does not Change
- Power Switch Indicator Circuit
- Power Source Mode does not Change to ON (READY)
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.