U04B2
Invalid Data Received From Particulate Matter Sensor B
U04B2 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Particulate Matter Sensor B. Common causes: particle sensor b fault, open or short circuit in the sensor circuit. Estimated repair cost: $56–167.
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
Error U04B2 by Vehicle Brand
FAQ
What does the U04B2 code mean?
U04B2 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Particulate Matter Sensor B
What causes a U04B2 error code?
The most common causes of U04B2 include: Particle sensor B fault; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contamination with soot particles.
How do I fix a U04B2 diagnostic trouble code?
To fix U04B2: Check the condition of particle sensor B. Check the integrity of the wiring and contacts in the connector. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U04B2?
Yes, but get it checked soon
How much does it cost to fix U04B2?
The estimated repair cost for U04B2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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