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
The RFC system on Iveco Stralis is designed to monitor and control the vehicle's engine and aftertreatment systems. It detects faults and errors, generating codes that help technicians diagnose and repair issues quickly. The RFC system is an essential tool for maintaining the vehicle's performance, fuel efficiency, and emissions.
Remove the fuel return line from the pump. Place it in a clear bottle. Crank the engine. If air bubbles appear for more than 5 seconds, you have a suction-side leak. Tighten banjo bolts or replace seals. iveco stralis rfc fault codes free
Here are some common RFC fault codes for Iveco Stralis:
: RFC faults are notoriously sensitive to bulb wattage. Ensure you are using the exact manufacturer-specified bulbs (e.g., for number plates, not 5W). Inspect Trailer Cables Defective pressure sensor on the Air Processing Unit
DTC (Diagnostic Trouble Code) / FMI (Failure Mode Identifier) format on the instrument cluster.
Incorrect bulb wattage used. Often caused by using a 5W bulb instead of the required Rear right position light open circuit Faulty bulb or wiring for the right tail light. Left parking lights short circuit It detects faults and errors, generating codes that
: Number plate light open circuit (typically requires a 10W bulb).
: The trailer connections (Suzi coils) often fray, triggering "Open Circuit" faults in the RFC.