38 MaxxForce Fault Codes
MaxxForce ECM Fault Codes
International MaxxForce diesel ECM fault codes across aftertreatment, EGR, turbo, and derate systems.
Aftertreatment11 codes
MaxxForce Aftertreatment
DPF, DEF, SCR, and NOx-reduction system faults.
EGR11 codes
MaxxForce EGR
Exhaust gas recirculation valve, cooler, and flow faults.
Turbo7 codes
MaxxForce Turbo
Turbocharger boost control and air-handling faults.
Derate9 codes
MaxxForce Derate
Engine protection and emissions inducement power-limiting faults.
⏵ Truck down? Fleet stalled?
MaxxForce Issue? Get An Honest Diagnosis.
Same-day quotes. Remote diagnostic available. 2–3 day ship-in turnaround. Fleet pricing and NDAs available.