NOTE: Please see the step by step troubleshooting procedures for this specific code.
PROBABLE CAUSES:1. If any battery voltage codes present, fix those first.2. If any 625-xx codes, fix those first.3. If the CPC4 has been recently programmed, ensure the parameters are correct.
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520250 FMI 4 (MCM) Quantity Control Valve Low Side Driver Error
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520249 FMI 4 (MCM) Quantity Control Valve Low Side Driver Error
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520249 FMI 4 (ACM) Selective Catalytic Reduction Inlet Temperature High
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520249 FMI 3 (MCM) Quantity Control Valve High Side Driver Error
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520232 FMI 9 (MCM, CPC, ACM) NOx Mass Signal Not Available via Controller Area Network
Detroit DD13 EPA10 (2010-13) Fault Code: SPN 520231 FMI 13 (MCM, CPC, ACM) Fuel Mass Signal Not Available via Controller Area Network