A generic OBD-II scanner likely won't read manufacturer-specific codes like DF357. You will need a more capable tool, such as a Renault CLIP diagnostic tool or other professional-grade scanners that can access all vehicle modules (ABS, ESP, ACC, etc.).
A user on a Renault forum suggested a potential software workaround as a last resort. If you want to permanently disable the adaptive function and use the system only as a standard cruise control, it may be possible to code this option using advanced diagnostic software like DDT4ALL , telling the car's computer that it does not have Adaptive Cruise Control. However, this will disable the radar and any forward-collision warning systems. This is an advanced procedure for experienced users only. renault df357 hot
Clean away any magnetic metallic shaving accumulation using compressed air. If you want to permanently disable the adaptive
Use a Renault-specific scan tool (like CLIP or Pyren ) to confirm if the code is actually DF057 (Oxygen Sensor) or DF357 (which may be a specific manufacturer sub-code not found in general lists). Clean away any magnetic metallic shaving accumulation using
If you own a Renault Clio III RS, Megane RS, or a Twingo RS with the DF357 ECU and want the "Hot" treatment, follow this hierarchy of modifications.
: Forum experts strongly suggest that a poor electrical ground (mass) somewhere on the vehicle chassis can cause intermittent communication glitches. Electrical noise from a bad ground can corrupt sensor data, leading to the "invalid data" error. Inspecting and cleaning all major chassis ground points is a critical first step.
There are three primary reasons why acts as the primary trigger for this specific fault code: 1. Engine Bay Thermal Expansion and Weak Pins