Renault Df357 Guide

: Ensure the battery is providing a stable voltage , as drops can cause communication errors between modules. Main reasons for a defective throttle body - ACTRONICS LTD

: The cruise control and speed limiter options stop working completely.

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

Modern Renault vehicles use a drive-by-wire system. Instead of a mechanical cable opening the throttle valve, the gas pedal houses two independent potentiometers (sensor tracks). These sensors transmit voltage signals to the ECU to communicate exactly how far down the driver is pressing the pedal. If the ECU detects an illogical voltage variance between these two tracking lines—or an absolute drop in signal voltage—it sets the DF357 code as a safety measure. Common Symptoms of DF357 renault df357

The ABS or Electronic Stability Program (ESP) warning lights may appear on the dashboard.

: Common dashboard alerts include "ABS/ESC Check," "Check Hill Start Assist," and sometimes "Active Braking Disconnected".

Renault uses alphanumeric suffixes to differentiate between power outputs, emissions standards, and even regional specifications. The "DF357" specifically denotes a version of the 1.5 dCi engine that meets emission standards and is typically calibrated to produce 80 horsepower (59 kW) and 185 Nm of torque . : Ensure the battery is providing a stable

Because the ECU is blind to the pedal's true position, it may struggle to normalize the engine’s idle speed. Primary Causes Behind the Fault

Batteries with weak cells fail to properly support heavy multiplex network activity during start-up. Ensure your car battery registers at least 12.6 volts at rest and maintains stable voltage when the engine turns over. 5. Clear the Fault and Test Drive

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Check Battery Health Modern Renault vehicles use a

If you own a car with a DF357 engine, do not panic. These engines routinely clock over 200,000 miles (320,000 km) if maintained properly. Here is the survival guide:

Locate the switch above the brake pedal arm. Check for physical damage or loose wiring. Clear the Fault Memory:

The DF357 represents the end of an era. It was the last pure "works" Renault turbo before the company pulled out of F1 for seven years. It was brutish, unreliable, and brilliant in fleeting moments.

Systems like Cruise Control, Speed Limiter, or Hill Start Assist may stop working. 3. Troubleshooting Steps To resolve a DF357 fault, follow these diagnostic steps: BRAKING FAULT Renault Error [SOLVED] Depleted Car Battery