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 U0418-81: Invalid Data Received from Brake System Control Module Invalid Serial Data Received [11/2023 - ]: Description
for HV Model
- The No. 2 skid control ECU (brake actuator assembly) sends signals indicating the status of the electronically controlled brake system to the forward recognition camera via CAN communication.
If the forward recognition camera receives an electronically controlled brake system malfunction signal from the No. 2 skid control ECU (brake actuator assembly), it will store this DTC.
for Gasoline Model
- The skid control ECU (brake actuator assembly) sends signals indicating the status of the electronically controlled brake system to the forward recognition camera via CAN communication.
If the forward recognition camera receives an electronically controlled brake system malfunction signal from the skid control ECU (brake actuator assembly), it will store this DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0418-81 | Invalid Data Received from Brake System Control Module Invalid Serial Data Received | for HV Model
for Gasoline Model
|
|
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.