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.
DTC U0300-51: Internal Control Module Software Incompatibility Not Programmed; DTC U0300-57: Internal Control Module Software Incompatibility Invalid/Incompatible Software Component [12/2021 - ]: Description
- for Gasoline Model:
The forward recognition camera receives vehicle information from the ECM via the CAN communication line. If the forward recognition camera cannot confirm the vehicle information sent from the ECM, the forward recognition camera stores DTC U0300-51.
The forward recognition camera receives vehicle information from the ECM via the CAN communication line. 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.
- for HV Model:
The forward recognition camera receives vehicle information from the hybrid vehicle control ECU assembly via the CAN communication line. If the forward recognition camera cannot confirm the vehicle information sent from the hybrid vehicle control ECU assembly, the forward recognition camera stores DTC U0300-51.
The forward recognition camera receives vehicle information from the hybrid vehicle control ECU assembly via the CAN communication line. If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the hybrid vehicle control ECU assembly, the forward recognition camera stores DTC U0300-57.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0300-51 | Internal Control Module Software Incompatibility Not Programmed | for Gasoline Model: When the ignition switch is ON for 3 seconds or more, the forward recognition camera cannot confirm the vehicle information sent from the ECM for approximately 2 seconds or more. for HV Model: When the ignition switch is ON for 3 seconds or more, the forward recognition camera cannot confirm the vehicle information sent from the hybrid vehicle control ECU assembly for approximately 2 seconds or more. |
Front camera system |
| U0300-57 | Internal Control Module Software Incompatibility Invalid/Incompatible Software Component | for Gasoline Model: When the ignition switch is ON for 3 seconds or more, the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the ECM for approximately 1 second or more. for HV Model: When the ignition switch is ON for 3 seconds or more, the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the hybrid vehicle control ECU assembly for approximately 1 second or more. |
Front camera system |
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.