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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 Range- Most Severe Level

Circuit Description
The ECM continuously monitors the engine’s fault code status to determine if any fault codes critical to successful engine operation are active.

Component Location
The ECM mounting location varies, depending on the engine model, and may be mounted either on or off the engine.

Conditions for Running the Diagnostics
This diagnostic runs continuously when the engine is running.

Conditions for Setting the Fault Codes
The Engine Control Module (ECM) detected the engine has been operated for an extended amount of time with critical SCR faults active, and no repair action has been taken. This amount of time will vary, depending on which SCR faults are active.

Action Taken When the Fault Code is Active
The ECM illuminates the red STOP ENGINE lamp immediately after the diagnostic runs and fails.
Engine Torque will be reduced.
Vehicle speed will be limited to 8 km [5 mi] per hour.
Conditions for Clearing the Fault Code
This fault code will go inactive once all other active fault codes have been addressed. Refer to the appropriate fault code troubleshooting tree.
The ECM will turn off the red STOP ENGINE lamp immediately after the diagnostic runs and passes.

Shop Talk
This fault code is for information only, and indicates that an engine power derate and vehicle speed limit have been implemented in order to make sure that the critical SCR related fault codes that are presently active in the ECM are addressed as quickly as possible.

Possible Cause:
1) ECM calibration