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.
2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE
Pre-Collision System DTCS
PRE-COLLISION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| B2000 | Short to B+ in Seat Belt Motor RH Circuit |
| B2001 | Short to GND in Seat Belt Motor RH Circuit |
| B2002 | Open in Seat Belt Motor RH Circuit |
| B2005 | Short to B+ in Seat Belt Motor LH Circuit |
| B2006 | Short to GND in Seat Belt Motor LH Circuit |
| B2007 | Open In Seat Belt Motor LH Circuit |
| B2015 | Open in Right Side Upper MOS |
| B2016 | Open in Right Side Lower MOS |
| B2020 | Open in Left Side Upper MOS |
| B2021 | Open in Left Side Lower MOS |
| B2025 | Right Side Current Detection Circuit Malfunction Hi |
| B2026 | Right Side Current Detection Circuit Malfunction Lo |
| B2027 | Right Side Over-Current Malfunction |
| B2030 | Left Side Current Detection Circuit Malfunction Hi |
| B2031 | Left Side Current Detection Circuit Malfunction Lo |
| B2032 | Left Side Over-Current Malfunction |
| B2035 | Power Supply Relay Adherence Malfunction |
| B2036 | Power Supply Relay Malfunction Open |
| B2040 | EEPROM Malfunction |
| B2041 | Fall of Raised Voltage |
| B2043 | Fall of B+ Voltage |
| B2047 | Seat Belt Control ECU Inner Circuit Malfunction |
| B2055 | Radar Sensor Malfunction |
| B2056 | Axial Gap of Radar Sensor |
| B2057 | Yaw Rate Sensor |
| B2058 | Steering Angle Sensor |
| B2059 | Vehicle Speed Malfunction |
| B2060 | ABS Malfunction |
| B2065 | Distance Control ECU Malfunction |
| B2074 | Driver Side Seat Belt Buckle Switch Circuit Malfunction |
| B2075 | Passenger Side Seat Belt Buckle Switch Circuit Malfunction |
| U0100 | Lost Communication with ECM/ PCM "A" |
| U0122 | Lost Communication with Vehicle Dynamics Control Module |
| U0151 | Lost Communication with Airbag ECU |
| U0235 | Lost Communication with Cruise Control Front Distance Range Sensor |
| U1101 | Lost Communication with Distance Control ECU |
| U1102 | Lost Communication with Radar Sensor |
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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