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Diesel particulate filter (DPF)

P2002 Particulate filter not cleaning properly

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P2002 means: Particulate filter not cleaning properly. The diesel particulate filter (DPF) traps soot and burns it off from time to time. Drive gently and have the car checked soon. The repair usually costs about €80–1500 in Estonia. The most common cause: lots of short trips, so the filter never gets to burn off.

Is it safe to drive?Get it checked soonDrive gently and have the car checked soon.
Typical repair cost€80–1500parts and labour in Estonia

What it means

The diesel particulate filter (DPF) traps soot and burns it off from time to time. The filter is too full and the burn-off (regeneration) hasn't worked.

What could be wrong

  1. 1Lots of short trips, so the filter never gets to burn off
  2. 2Pressure sensor or its hoses
  3. 3Regeneration keeps getting interrupted
  4. 4Injectors or EGR producing too much soot

What you can check yourself

Drive for 20–30 minutes on a motorway at a steady speed so the filter can clean itself. If the light doesn't go out, bring the car in. Best left to a workshop. It needs a diagnostic tool and experience.

How we fix it

  1. We check filter loading and the sensor
  2. We run a forced regeneration with a diagnostic tool
  3. We clean or replace the filter

Standard SAE description: Diesel Particulate Filter Efficiency Below Threshold (Bank 1)

Want a definite answer?

Bring the car to our workshop in Estonia for diagnostics. We read the fault codes, test the sensors and tell you what is wrong and what the repair costs before we start any work.

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Questions

What does fault code P2002 mean?

Particulate filter not cleaning properly. The diesel particulate filter (DPF) traps soot and burns it off from time to time. The filter is too full and the burn-off (regeneration) hasn't worked.

Can I drive with code P2002?

Drive gently and have the car checked soon.

How much does it cost to fix P2002?

Roughly €80–1500 in Estonia. The price depends on exactly what has failed and on the car.

How is P2002 fixed?

We check filter loading and the sensor. We run a forced regeneration with a diagnostic tool. We clean or replace the filter.

Related codes

P0471Exhaust pressure sensor reads wrongP242FParticulate filter full of ashP2452Fault in the particulate filter pressure sensor wiringP2453Particulate filter pressure sensor reads wrongP2463Particulate filter full of soot

This information is general and prices are approximate (Estonian workshop rates). The same code can mean different things on different cars. Only an inspection of the car gives a definite answer.

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