U05A4

Particulate Matter Sensor Received Invalid Data From ECM/PCM

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
Problems with diesel particulate filter regeneration
Errors in the exhaust gas cleaning system

Causes

Broken or damaged wiring to the sensor
Particulate filter sensor malfunction
Software error in the ECU
Poor contact in connectors
Data bus problems

How to Fix

Check the integrity of wiring and connectors
Scan the ECU for errors
Check the functionality of the diesel particulate filter sensor
Update ECU software
Replace sensor if necessary

Related codes

U05A3 U05A5 P2463