OBD · Emissions control
P2452 DPF pressure sensor A circuit
What this code means
P2452 is a generic OBD code shared by all manufacturers since 2001 for petrol and 2004 for diesel. It relates to: emissions control. The code tells you what the ECU measured as abnormal, not necessarily which part to replace.
Most common causes
- Clogged particulate filter#1
Cost of related repairs
| Independent garage | Main dealer | |
|---|---|---|
| DPF cleaning | £200 – £455 | £260 – £700 |
| Diesel particulate filter (DPF) | £640 – £1,465 | £785 – £2,065 |
How to read this code
An OBD scanner plugged into the 16-pin socket under the steering wheel reads and clears codes. Bluetooth models cost £20 to £40. Clearing a code without fixing the fault is pointless: it comes back.
Related problems
Frequently asked questions
What does code P2452 mean?
P2452: DPF pressure sensor A circuit. P2452 is a generic OBD code shared by all manufacturers since 2001 for petrol and 2004 for diesel. It relates to: emissions control. The code tells you what the ECU measured as abnormal, not necessarily which part to replace.
Can I drive with code P2452?
Fix soon. Drive gently and as little as possible. The fault can get worse and damage other parts.
How much does it cost to fix P2452?
DPF cleaning: £200 – £455, Diesel particulate filter (DPF): £640 – £1,465.
How to read this code
An OBD scanner plugged into the 16-pin socket under the steering wheel reads and clears codes. Bluetooth models cost £20 to £40. Clearing a code without fixing the fault is pointless: it comes back.