Master DPF and SCR diagnostics for John Deere fleets with our actionable playbook. Technicians can use templates and KPIs to resolve emissions-related DTCs, cut downtime by 25%, and ensure EPA compliance.
Resolve DPF/SCR issues fast.
Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems are critical for emissions control in John Deere fleets. DTCs in these systems can trigger derates or downtime. Our playbook, paired with severity and derate rules, helps technicians prioritize and resolve issues.
Effective DPF/SCR diagnostics ensure compliance and minimize operational disruptions.
| DTC | System | Issue |
|---|---|---|
| SPN 4364 FMI 18 | SCR | Low NOx efficiency |
| SPN 3251 FMI 0 | DPF | High differential pressure |
| SPN 3936 FMI 15 | DPF | Regen needed |
| SPN 5246 FMI 0 | SCR | Derate active |
Follow these steps to diagnose and resolve DPF/SCR issues, supported by top 50 codes and fixes.
Scan for emissions codes.
Analyze DPF/SCR system.
Fix or regenerate.
Our playbook, integrated with common sensor failures, empowers technicians to resolve emissions issues efficiently.
Downtime reduction
Cost savings
Resolution rate
EPA compliance
Quick answers for diagnosing DPF and SCR issues in John Deere fleets
DPF traps particulate matter, and SCR reduces NOx emissions using DEF.
Clogged filters, low DEF, or faulty sensors can trigger DTCs.
Use the HVI app or vehicle controls to start a manual regen.
Yes, unresolved DTCs can lead to EPA violations.
Diagnosis takes 15-30 minutes with HVI’s playbook.
Comprehensive DTC management for John Deere equipment
Comprehensive diagnostics across major brands for seamless DTC-Codes
Join technicians achieving 90% resolution rates and 100% EPA compliance with HVI’s DPF/SCR DTC playbook.
Efficient diagnostics
Effective fixes
EPA standards