Defective pressure sensor on the Air Processing Unit (APU) or broken wiring. Number plate light open circuit Blown bulb or disconnected wire. Check for a Number plate light value too low
When the RFC system malfunctions, the truck may enter "limp mode," reduce engine power, or increase fuel consumption dramatically. iveco stralis rfc fault codes free
While there are commercial resources available, here are some free resources that provide information on Iveco Stralis RFC fault codes: Defective pressure sensor on the Air Processing Unit
Open circuit in the right front dipped beam (often shows as FFC/RFC conflict). Number plate light failure or circuit error. DTC 11 the truck may enter "limp mode
Indicates a complete communication loss with the rear computer. Practical Troubleshooting Steps (Free)