P2452

Particulate Filter Pressure Sensor A Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
Problems with diesel particulate filter regeneration
Noisy engine operation

Causes

Open or short circuit in the sensor circuit
DPF pressure sensor malfunction
Poor contact in sensor connectors
Wiring harness damage
Problems with the engine ECU

How to Fix

Check the integrity of the wiring to the sensor
Check sensor connectors for corrosion and damage
Measure the resistance and voltage of the sensor
Replace DPF pressure sensor if necessary
Check fault codes in the ECU

Related codes

P2453 P2454 P2455