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 · Cloud Edition
For P244B, DaVinci Deluxe · Cloud Edition offers the following ECU map adjustments and software solutions:
- Force regen
- DPF Off
Need to fix P244B on your ECU?
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