U02B6
Lost Communication With Rear Radar Module A
U02B6 is an OBD-II diagnostic trouble code meaning: Lost Communication With Rear Radar Module A. Common causes: broken or damaged wiring harness, poor contact in the radar module connector. Estimated repair cost: $56–222.
Symptoms
- Parking assistance systems do not work
- Blind spot warning systems do not work
- The malfunction indicator on the dashboard lights up
- Diagnostic system memory error
Causes
- Broken or damaged wiring harness
- Poor contact in the radar module connector
- Rear radar module malfunction
- Power or grounding problems
- Software error in the module
How to Fix
- Check the integrity of the wiring harness to the radar module
- Check connector connections and contacts
- Check power supply and grounding to the module
- Test the rear radar module
- Replace module or wiring harness if necessary
Related codes
Error U02B6 by Vehicle Brand
FAQ
What does the U02B6 code mean?
U02B6 is an OBD-II diagnostic trouble code that indicates: Lost Communication With Rear Radar Module A
What causes a U02B6 error code?
The most common causes of U02B6 include: Broken or damaged wiring harness; Poor contact in the radar module connector; Rear radar module malfunction; Power or grounding problems.
How do I fix a U02B6 diagnostic trouble code?
To fix U02B6: Check the integrity of the wiring harness to the radar module. Check connector connections and contacts. Check power supply and grounding to the module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U02B6?
Yes, but get it checked soon
How much does it cost to fix U02B6?
The estimated repair cost for U02B6 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
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