Skip to main content
Diagnose/P2248
P2248Medium SeverityEmissions

Diesel Particulate Filter Circuit High

What This Means

The diesel particulate filter system has detected a circuit high condition. This code is part of the advanced emission monitoring system found primarily on diesel and newer gasoline engines.

Common Symptoms

  • Check engine light on
  • DPF/SCR warning light
  • Reduced power possible
  • Emissions concern

Common Causes

  • Faulty diesel particulate filter component
  • Wiring damage
  • Contamination
  • System degradation
  • PCM circuit issue

Estimated Repair Cost

$150 – $1500
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

Need This Fixed?

Find certified mechanics near you who can diagnose and repair P2248.

Find a Shop Near You

For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.