One of the most common non-lighting related RFC faults involves the air pressure sensor.
in your Iveco Stralis stands for the Rear Frame Computer . This critical module acts as the "brain" for the back half of your truck, managing everything from your taillights to air suspension sensors. The Story of an RFC Fault
Chafed CAN wires near the gearbox or fifth wheel where the chassis experiences heavy flexing. Step-by-Step RFC Troubleshooting Guide iveco stralis rfc fault codes
The RFC relies on clean grounding studs welded to the vehicle chassis. Rust, paint overspray, or road grime at these ground points will increase electrical resistance, throwing multiple random light faults simultaneously. Incorrect Bulb Wattage
If you have a fault accompanied by a zero reading on your air gauge, the air pressure sensor on top of the Air Processing Unit (APU) is likely failing. This unit is located in the middle of the chassis and has a large filter cartridge. 4. Resetting the Fault One of the most common non-lighting related RFC
: If you fix a fault but the code stays active, disconnect the truck's main battery isolator switch for 10 minutes to force the RFC module to reset its memory. To help find the exact repair path, tell me:
The RFC is a black, snap-on covered box located inside the chassis, often positioned behind the diesel tank. It is typically manufactured by and is held in place by three 8mm bolts. This module communicates with the rest of the truck via the CAN line (Controller Area Network). The Story of an RFC Fault Chafed CAN
To help narrow down your diagnostic steps, could you provide the showing on your dashboard, or describe which rear systems (lights, suspension, etc.) are malfunctioning ? Share public link