Master DPF and SCR diagnostic trouble codes for International fleets with our comprehensive playbook. Designed for owners and executives, it provides templates and KPIs to reduce downtime by up to 40% and ensure emissions compliance.
Achieve 95% compliance with DPF and SCR fault resolution.
DPF (Diesel Particulate Filter) and SCR (Selective Catalytic Reduction) DTCs signal issues in International vehicles’ emissions systems. This playbook, integrated with severity and derate rules, helps prioritize and resolve faults.
Addressing these codes ensures compliance with EPA and FMCSA regulations, preventing costly derates and fines.
| System | Common DTC | Impact |
|---|---|---|
| DPF | SPN 3251 FMI 0 | High DPF Pressure |
| SCR | SPN 4364 FMI 18 | Low SCR Efficiency |
| DEF Quality | SPN 3516 FMI 10 | Emissions Derate |
| NOx Sensor | SPN 3216 FMI 2 | Erratic Signal |
Step-by-step guide to diagnose and resolve DPF/SCR issues, integrated with top 50 codes and fixes for actionable solutions.
Read DTC using diagnostic tools or HVI app.
Check DPF/SCR components and DEF quality.
Perform regeneration or replace faulty components.
Address DPF/SCR DTCs to meet EPA and FMCSA standards, integrated with severity and derate rules for prioritized action.
Compliance adherence rate
Downtime reduction
First-time fix rate
Audit-ready logging
Leverage HVI’s AI tools for emissions fault management, integrated with datalogger setup for real-time monitoring.
Identify DPF/SCR faults instantly.
Notify teams of critical issues.
Provide fix instructions.
Log actions for audits.
Answers for emissions fault management
Codes like SPN 3251 FMI 0 (DPF pressure) and SPN 4364 FMI 18 (SCR efficiency) are frequent. See our top 50 codes guide.
Use diagnostic tools to read SPN/FMI codes and inspect DPF/SCR components. Learn more in our code structure guide.
Yes, codes like SPN 4364 FMI 18 can trigger derates. Check our severity and derate rules for details.
Log and resolve critical DPF/SCR faults with HVI’s datalogger setup for audit-ready reports.
Monitor fault frequency, regeneration success, and downtime reduction with HVI’s analytics, aligned with our live alerts.
Complete DTC management for International equipment
Comprehensive diagnostics across major brands for seamless DTC management
Reduce downtime by 40% and achieve 95% compliance with HVI’s DPF/SCR DTC playbook for International fleets.
Rapid fault resolution
EPA/FMCSA adherence
AI-driven solutions