Since the transmission often uses DF264 to report temperature incoherence, check the external temperature sensor (usually located under a door mirror) for damage.
If the code is "Stored" (orange) rather than "Present" (red) on a scanner, it may be a one-time glitch. Clear the code and test drive to see if it returns. renault df264
Multiplex networks are highly sensitive to voltage drops. A weak battery or failing alternator often triggers "ghost" communication codes like DF264. Since the transmission often uses DF264 to report
In some models like the Clio 3, this code may appear within the Airbag system, suggesting a lack of communication with the dashboard. Typical Symptoms renault df264