Iveco Stralis Rfc Fault Codes Free Fix -

. This can occur if a 5W bulb is used instead of the required 10W 24V bulb DTC 17 05 / 17 06 : Rear fog light open circuit or short circuit. DTC 18 05 / 18 06 : Trailer stop light (right side) open or short circuit. DTC 16 05 / 16 06 : Trailer stop light (left side) open or short circuit. System & Sensors DTC 09 / FMI 01 : Often indicates a low voltage issue or a problem with the air pressure sensor on the Air Processing Unit (APU). : General supply pressure sensor fault. : CAN line communication error with the Body Computer. Troubleshooting Steps Check Bulbs First

Negative deviation (RFC_12–15) means the injector is delivering less fuel than commanded. Positive deviation (rare) means over-fueling.

: For "System 1" air pressure errors (DTC 09), inspect the round connector on top of the Air Processing Unit located in the middle of the chassis. Clean Connectors