U04B2

Invalid Data Received From Particulate Matter Sensor B

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

Particle sensor B fault
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Sensor contamination with soot particles
Software error in the control unit

How to Fix

Check the condition of particle sensor B
Check the integrity of the wiring and contacts in the connector
Clean the sensor from dirt
Test the sensor using diagnostic equipment
Replace sensor if necessary

Related codes

U04B1 U04B3 P2463