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 · Cloud Edition
For P244A, DaVinci Deluxe · Cloud Edition 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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