The DF357 code is not limited to a single model and appears to be a sporadic issue across the latest generation of Renault's lineup, particularly those equipped with adaptive cruise control (ACC) and complex stability control systems. It has been reported on various owner forums and diagnostic databases for the following models:

Repairing a DF357 fault is often surprisingly affordable if caught early. Replacing an can cost significantly less than replacing a full hub assembly if you use specialized parts from retailers like Euro Car Parts or Autodoc. However, if the fault lies within a CVT transmission , a professional rebuild or software reprogram may be required.

Verify if your brake lights illuminate correctly. If they stay on or never light up, the switch is likely the culprit. Inspect the Pedal Switch:

or erratic jumps while others are steady, that sensor is the likely failure point. Check Battery Health

This is where the DF357 achieved immortality. At the sodden , Senna drove arguably the greatest wet-weather performance in history. Underneath him was the DF357. While rivals stalled or spun, Senna credited the engine’s incredibly smooth power delivery (for a turbo) and the Rencléctronic’s ability to prevent lag-spin. He won by over a minute.

Here is where the "Renault DF357" keyword becomes a search for solutions. The DF357 has three well-documented failure points:

Do not immediately buy a new sensor. Follow this logical sequence to pinpoint the exact failure point:

If the wiring, reference voltage, and ground connections test perfect, the internal coil or circuitry of the component itself has failed. Replace the sensor or actuator with an Original Equipment Manufacturer (OEM) Renault component or an equivalent certified aftermarket replacement part. Technical Diagnostic Summary Table Diagnostic Phase Target System Component Common Voltage/Value Resolution Action OBD-II Data Streams Stored DF357 Status Clear codes, test drive vehicle. Wiring Test Connector Harness Pins 5.0V / 12.0V Supply Clean pins; repair broken splices. Component Test Actuator Internal Coil Specified Resistance ( Ωcap omega Replace component if out of range. Final Validation ECU Adaptations 0 Faults Present Perform adaptation reset via scanner. Post-Repair Validation