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 U0322-51: Software Incompatibility with Body Control Module Not Programmed; DTC U0322-57: Software Incompatibility with Body Control Module Invalid/Incompatible Software Component [03/2023 - ]: Description
The driver monitor ECU assembly receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication.
DTC U0322-51 is stored when the driver monitor ECU assembly cannot confirm the vehicle information from the main body ECU (multiplex network body ECU). The driver monitor ECU assembly receives vehicle information from the main body ECU (multiplex network body ECU) via CAN communication.
DTC U0322-57 is stored when the vehicle information from the main body ECU (multiplex network body ECU) and that stored in the driver monitor ECU assembly do not match.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from | Priority |
|---|---|---|---|---|---|
| U0322-51 | Software Incompatibility with Body Control Module Not Programmed | The driver monitor ECU assembly cannot confirm the vehicle information from the main body ECU (multiplex network body ECU). |
|
Driver Monitor Camera Control | A |
| U0322-57 | Software Incompatibility with Body Control Module Invalid/Incompatible Software Component | The vehicle information from the main body ECU (multiplex network body ECU) and that stored in the driver monitor ECU assembly do not match. |
|
Driver Monitor Camera Control | A |
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.