U02B5
Lost Communication With Front Radar Module B
U02B5 is an OBD-II diagnostic trouble code meaning: Lost Communication With Front Radar Module B. Common causes: broken or damaged wiring to the radar module, front radar module b malfunction. Estimated repair cost: $167–556.
Symptoms
- Active safety systems do not work
- Error message on the dashboard
- Disabling adaptive cruise control
- Dashboard warning light
- Reduced functionality of driver assistance systems
Causes
- Broken or damaged wiring to the radar module
- Front Radar Module B Malfunction
- Connector problems or contact corrosion
- Fuse box malfunction
- Software error in the ECU
How to Fix
- Check the integrity of the wiring harness to the radar module
- Inspect and clean the connector contacts
- Check fuses and module power supply
- Scan the module for errors
- Repair only from an authorized dealer
Related codes
Error U02B5 by Vehicle Brand
FAQ
What does the U02B5 code mean?
U02B5 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Front Radar Module B
What causes a U02B5 error code?
The most common causes of U02B5 include: Broken or damaged wiring to the radar module; Front Radar Module B Malfunction; Connector problems or contact corrosion; Fuse box malfunction.
How do I fix a U02B5 diagnostic trouble code?
To fix U02B5: Check the integrity of the wiring harness to the radar module. Inspect and clean the connector contacts. Check fuses and module power supply. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U02B5?
Do not drive — repair immediately
How much does it cost to fix U02B5?
The estimated repair cost for U02B5 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat