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 XLE, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCRUISE CONTROL SYSTEMSDYNAMIC RADAR CRUISE CONTROL SYSTEM (EXCEPT HV) - DIAGNOSTIC CODES & CIRCUIT TESTSDYNAMIC RADAR CRUISE CONTROL SYSTEM (FOR GASOLINE MODEL)DTC U0300-57: INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY INVALID/INCOMPATIBLE SOFTWARE COMPONENT [09/2020 - ]DESCRIPTION
2025 Toyota Highlander XLE, FWD
DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [09/2020 - ]: Description
2025 Toyota Highlander XLE, FWDSECTION Description
If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM, the forward recognition camera stores DTC U0300-57.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from |
|---|---|---|---|---|---|
| U0300-57 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component | When the ignition switch is ON for 3 seconds, the vehicle information sent from the ECM does not match that stored in the forward recognition camera for approximately 1 second or more. | Pre-collision system | Does not come on | Radar Cruise 2 |
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.