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SPN 3712 FMI 31 — SCR inducement — condition exists
CautionAftertreatmentLimp to the next safe stop
Applies to: Detroit · Navistar · Paccar · Sae · Volvo
SCR inducement — condition exists.
Don't risk it — get a diesel tech on the truck.
Look up listed providers near you and give them this SPN/FMI when you call.
How serious is it?
Caution. Limp to the next safe stop.
Most likely causes
- Parent SCR fault active
- Parent SCR fault
- Parent SCR fault — DEF quality
- Dosing
- NOx conversion
First moves (roadside)
- Find parent
- Find parent — do not chase 3712
- Do not chase 3712
FAQ
What does SPN 3712 FMI 31 mean?
SCR inducement — condition exists.
How serious is SPN 3712 FMI 31?
Caution — Limp to the next safe stop.
What's the most likely cause of SPN 3712 FMI 31?
The most common cause is: Parent SCR fault active. Other possibilities include Parent SCR fault; Parent SCR fault — DEF quality; Dosing; NOx conversion.
Can I keep driving with SPN 3712 FMI 31?
Limp to the next safe stop. When in doubt, get a qualified mobile diesel tech on the truck before continuing.
Throwing this code right now?
Find a mechanic or related guides
General diagnostic guidance for heavy-duty diesel engines (Cummins, Detroit, PACCAR, Volvo, Mack). Not a substitute for a scan-tool diagnosis on your specific truck.