P244B
Diesel Particulate Filter Differential Pressure Too High
System: DPF
Severity: medium
What does P244B mean?
The DTC P244B (Diesel Particulate Filter Differential Pressure Too High) is a fault code stored by the ECU when it detects a DPF Δp high condition in the dpf subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P244B
- Heavily clogged DPF
- Failed pressure sensor
How to fix P244B
Force regen, then DPF Off if needed.
Tuning approach with DaVinci Deluxe
For P244B, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Force regen
- DPF Off
Need to fix P244B on your ECU?
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