Test the brake switch using a multimeter to ensure it opens and closes the circuit correctly.
To resolve a "hot" or active DF357 error, technicians often follow these diagnostic steps:
The system cannot verify if the brake is being pressed, so it automatically deactivates cruise control for safety. renault df357 hot
Renault Fluence, Megane III, and SM3. Common Symptoms
In some cases, the vehicle may enter a reduced power state to protect the engine and transmission. Test the brake switch using a multimeter to
A fault in the vehicle's internal communication network (the "union CAN") may prevent the brake signal from reaching the engine or transmission computer.
Multiplexed brake contact information (Tramas multiplexadas ausentes o valores no válidos). System: CAN bus / Multiplexed network. Common Symptoms In some cases, the vehicle may
The DF357 code is rarely about the mechanical brake itself and is almost always electrical or communication-based.