OBD · Emissions control

P2002 Diesel particulate filter efficiency below threshold

Fix soon

What this code means

P2002 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.

Severity: Fix soon. Drive gently and as little as possible. The fault can get worse and damage other parts.

Most common causes

  1. Clogged particulate filter#1

Cost of related repairs

Independent garageMain 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 P2002 mean?

P2002: Diesel particulate filter efficiency below threshold. P2002 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 P2002?

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 P2002?

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.