P244A
Diesel Particulate Filter Differential Pressure Too Low
System: DPF
Severity: medium
What does P244A mean?
The DTC P244A (Diesel Particulate Filter Differential Pressure Too Low) is a fault code stored by the ECU when it detects a DPF Δp low condition in the dpf subsystem. It is commonly seen on European and Asian vehicles using Bosch, Continental, Siemens or Denso ECUs.
Common causes of P244A
- DPF removed but ECU not updated
- Leaky DPF substrate
- Bad pressure sensor
How to fix P244A
Verify DPF presence. DaVinci DPF Off correctly removes monitoring.
Tuning approach with DaVinci Deluxe
For P244A, DaVinci Deluxe offers the following ECU map adjustments and software solutions:
- Full DPF Off + sensor disable
Need to fix P244A on your ECU?
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