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 MANUALSTOYOTA2025COROLLA CROSS XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXDTC INDEX (1 OF 4)ADVANCED DRIVER ASSISTANCE SYSTEM DTCSAUTOMATIC HIGH BEAM SYSTEM
2025 Toyota Corolla Cross XLE, FWD
Automatic High Beam System
2025 Toyota Corolla Cross XLE, FWDSECTION Automatic High Beam System
AUTOMATIC HIGH BEAM SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC Code | Description |
|---|---|
| U0100-87 | Lost Communication with ECM/PCM "A" Missing Message |
| U0129-87 | Lost Communication with Brake System Control Module Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0235-87 | Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message |
RENDER: 1.0x
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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.