The RFC system is highly sensitive to resistance. Even using the (e.g., using a 21W where a 10W is required) can trigger a persistent RFC error. Ensure all rear position, turn, and license plate bulbs are intact and match OEM specifications. 2. Inspect the Chassis Wiring
With the knowledge from this guide, you are now equipped to decode, repair, and prevent —keeping your truck on the road and profitably hauling. iveco stralis rfc fault codes
Blown bulb, short circuit, or open circuit in left rear light wiring. Left Side & Rear Direction Lights The RFC system is highly sensitive to resistance
Trailer connection error. This usually triggers when the 7-pin or 15-pin Susie cable is damaged or improperly seated. RFC 36: Rear fog light circuit failure. Left Side & Rear Direction Lights Trailer connection error
Some owners attempt a hard reset by disconnecting the batteries for 15-20 minutes, though persistent faults will require a diagnostic scan.