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 MANUALSTOYOTA2025HIGHLANDER HYBRID XLEREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTDRIVERS ASSISTANCE SYSTEMS - ADASDYNAMIC RADAR CRUISE CONTROL SYSTEM (HV) - DIAGNOSTIC CODES & CIRCUIT TESTSDYNAMIC RADAR CRUISE CONTROL SYSTEM (FOR HV MODEL)DTC U0318-51: SOFTWARE INCOMPATIBILITY WITH BRAKE SYSTEM CONTROL MODULE NOT PROGRAMMED [12/2019 - 09/2020]DESCRIPTION
2025 Toyota Highlander Hybrid XLE
DTC U0318-51: Software Incompatibility with Brake System Control Module Not Programmed [12/2019 - 09/2020]: Description
2025 Toyota Highlander Hybrid XLESECTION Description
If the forward recognition camera cannot verify the vehicle information sent from the No. 2 skid control ECU (brake actuator assembly), the forward recognition camera stores DTC U0318-51.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U0318-51 | Software Incompatibility with Brake System Control Module Not Programmed | The vehicle information sent from the No. 2 skid control ECU (brake actuator assembly) cannot be verified by the forward recognition camera. | Forward recognition camera | Forward recognition camera |
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.