24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 520249 FMI 4 (ACM) Selective Catalytic Reduction Inlet Temperature High NOTE: This condition can occur when:1. MCM pin 2 circuit is shorted to ground.2. Quantity Control Valve (QCV) internal short...
24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 520249 FMI 4 (MCM) Quantity Control Valve Low Side Driver Error DESCRIPTION:This code sets when the selective catalytic reduction (SCR) inlet temperature is greater than 760 °C (1400 °F). MONITORED PARAMETER:SCR...
24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 520250 FMI 4 (MCM) Quantity Control Valve Low Side Driver Error POSSIBLE CAUSES:1. MCM Pin 2 circuit is shorted to power2. Internal short of the quantity control valve NOTE: Please see...
24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 523 FMI 13 (MCM, CPC) Transmission Current Gear Signal Missing NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. If any codes related to...
24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 523 FMI 19 (MCM, CPC) Transmission Current Gear Signal is Erratic NOTE: Please see the step by step troubleshooting procedures for this specific code. PROBABLE CAUSES:1. If any codes related to...
24 November, 2025 Detroit DD16 EPA10 (2010-13) Fault Code: SPN 524 FMI 9 (CPC) J1939 ETC2 Message Missing DESCRIPTION:This fault code sets when the motor control module (MCM) detects that there is EGR pressure when the engine is...