U0602
Lost Communication With Particulate Filter Pressure Sensor B
U0602 is an OBD-II diagnostic trouble code meaning: Lost Communication With Particulate Filter Pressure Sensor B. Common causes: open or short circuit in the sensor circuit, particulate filter pressure sensor b fault. Estimated repair cost: $33–89.
Symptoms
- Check Engine Light Is On
- Reduced engine power
- Increased fuel consumption
- Problems with diesel particulate filter regeneration
- Possible transition to emergency mode
Causes
- Open or short circuit in the sensor circuit
- Particulate filter pressure sensor B fault
- Poor contact in the sensor connector
- Problems with the engine ECU
- Wiring harness damage
How to Fix
- Check the integrity of the sensor wires and connectors
- Check the power supply and ground of the sensor
- Test DPF pressure sensor B
- Check connections to the ECU
- Replace sensor if necessary
Related codes
Error U0602 by Vehicle Brand
FAQ
What does the U0602 code mean?
U0602 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Particulate Filter Pressure Sensor B
What causes a U0602 error code?
The most common causes of U0602 include: Open or short circuit in the sensor circuit; Particulate filter pressure sensor B fault; Poor contact in the sensor connector; Problems with the engine ECU.
How do I fix a U0602 diagnostic trouble code?
To fix U0602: Check the integrity of the sensor wires and connectors. Check the power supply and ground of the sensor. Test DPF pressure sensor B. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U0602?
Yes, but get it checked soon
How much does it cost to fix U0602?
The estimated repair cost for U0602 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat