Since the transmission often uses DF264 to report temperature incoherence, check the external temperature sensor (usually located under a door mirror) for damage.
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
Often found in the ABS or UCH (Body Control) memory, indicating that the instrument cluster is failing to send or receive required emission data via the multiplex network. Since the transmission often uses DF264 to report
The most common indicator, often accompanied by the vehicle entering a restricted "Limp Home" mode to protect the transmission. renault df264
Gauges may flicker or show incorrect data if the multiplex signal is intermittent.