p2002
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Peugeot · Sedans & Hatchbacks
Diesel Particulate Filter (DPF) Efficiency Below Threshold
Quick Answer
Error code P2002 on your Peugeot Sedans & Hatchbacks means: Diesel Particulate Filter (DPF) Efficiency Below Threshold. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Check DPF pressure sensor readings
2
Review regeneration history in scanner
3
Perform forced DPF regeneration cycle
4
Check for exhaust leaks
5
Replace DPF if regeneration fails
Pro Tip
This issue typically requires professional diagnosis. Attempting this fix without proper training could cause further problems.
Parts You May Need
Diesel particulate filter
DPF pressure sensor
Diesel fuel additive
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