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.
2012 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE
Safety Connect System
SAFETY CONNECT SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| B1570 | Manual (SOS) Switch Red Indicator Malfunction |
| B1571 | Manual (SOS) Switch Green Indicator Malfunction |
| B1572 | Telephone Microphone Error |
| B1573 | Short in Telephone Antenna Circuit |
| B15CB | Telematics Transceiver Antenna Disconnected |
| B1583 | GPS Signal Unreceived |
| B15A8 | Telematics Transceiver Malfunction |
| B15C0 | Short in GPS Antenna |
| B15C1 | Open in GPS Antenna |
| B15C4 | Airbag Signal Malfunction/Not Input |
| B15C5 | Manual Button Malfunction |
Factory Service Tools
Use the Manual With the Right Hardware
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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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