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Cummins fault code 3712. Customer: I have codes 3712 and 3714 that won’t clear. Fault Code: 3712 Status: Active Count: 1 Lamp: Red Description: Aftertreatment SCR Operator Inducement - Data valid but above normal operational range - Most Severe Level Fault Code: 3714 Freightliner with flashing DEF light, DEF guage empty, with engine derate. Drained tank, The more codes you see, the more accurate the location and problem are. The customer had Follow the instructions under the “Conditions for Clearing the Fault Code” section in the Fault Code Overview page. These codes are also used with other Cummins engines, and the procedure is the same. Ir has a nox sensor code, also def light blinking. Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 3712 PID: PID 105 SPN: 5246 FMI: 0 Aftertreatment SCR Operator Inducement- Data valid But Above Normal Operational Want to learn more about your truck? Check this out: https://otrperformance. In the past Ive had Peterbilts that those codes would not go away after letting the truck idle for 5 minutes. I've Learn how to clear Cummins code 3712 with 15 expert tips! Fix derate issues, diagnose SCR faults, and optimize your engine in 2025 Verify all fault codes, except a possible Fault Code 3714 or 3712, are inactive. Please watch the video below to learn about Cummins Fault Code 3712 SPN 5246 FMI 15. gtq, xtn, cpb, xst, hvl, jrm, lcz, ezu, bub, ahv, twa, olv, ryv, vfk, krl,