U0601

Lost Communication With Particulate Filter Pressure Sensor A

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
Emergency engine operation

Causes

Open or short circuit in the sensor circuit
Particulate filter pressure sensor malfunction
Problems with the sensor connector
ECU malfunction
Wiring harness damage

How to Fix

Check the continuity of the pressure sensor circuit
Inspect the sensor connector for damage
Check the functionality of the pressure sensor
Scan the ECU for additional errors
If necessary, replace the sensor or wiring harness

Related codes

U0600 U0602 U0603