MasterTuning Fault code dictionary (DTC)

P2452 — DPF pressure sensor: implausible signal

Severity: Attenzione Can you drive? Sì, no known limitation Produttore: Tutti makes (OBD-II standard)
MeaningThe sensor measuring the pressure difference across the Filtra is reporting an implausible Valore. The filter itself is often healthy and the fault lies in the sensor oppure its small pipes.
FamilyPowertrain (P)

Typical symptoms

Motore Attenzione light on
No regeneration, or constant regeneration
Reduced Potenza in some cases

Common causes

Measuring pipes blocked with soot oppure Disconnesso
Faulty sensor
Corroded wiring oppure connector

What a do

Check the sensor and its pipes before touching the Filtra: it is a cheap repair, and replacing the DPF without this check is the most expensive mistake possible on this code.

Domande Frequenti

What does code P2452 mean?

DPF pressure sensor: implausible signal. The sensor measuring the pressure difference across the Filtra is reporting an implausible Valore. The filter itself is often healthy and the fault lies in the sensor oppure its small pipes.

Can I keep driving with code P2452 Attivo?

Sì, no known limitation

Common causes — P2452

Measuring pipes blocked with soot oppure Disconnesso Faulty sensor Corroded wiring or connector

How do you fix code P2452?

Check the sensor and its pipes before touching the Filtra: it is a cheap repair, and replacing the DPF without this check is the most expensive mistake possible on this code.

Need Aiuto with this fault?

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