P0401Średni
Recyrkulacja spalin (EGR) — niewystarczający przepływ
Układ napędowy
Sprawdź szczegóły →P2002
WysokiDiesel Particulate Filter (DPF) — Efficiency Below Threshold
OBD-II (EN): Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
Code P2002 indicates DPF efficiency below the norm. Most common cause: city driving only without regeneration. Try a forced regeneration or a 30-minute highway drive.
Symptoms
DPF warning light, power limitation, fail-safe mode, exhaust smoke, burning smell
Possible causes
Clogged DPF filter (city driving only), failed regenerations, faulty differential pressure sensor, damaged DPF
Affected systems
Silnik spalinowySystem emisji spalinDPF/FAP
Related codes
P2463Wysoki
Filtr DPF — nadmierna akumulacja sadzy (VAG)
Układ napędowy
Sprawdź szczegóły →Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Tags and synonyms
Does code P2002 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.