U05B9
Invalid Data Received From Rear Radar Module C
U05B9 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Rear Radar Module C. Common causes: damage to the wiring harness to the radar module, rear radar module c malfunction. Estimated repair cost: $167–556.
Symptoms
- Parking assistance system not working
- No rear obstacle warning
- The malfunction indicator lamp on the instrument panel lights up
- Errors in the blind spot monitoring system
Causes
- Damage to the wiring harness to the radar module
- Rear radar module C malfunction
- Module power problems
- Corrosion or oxidation of contacts
- Software error in the module
How to Fix
- Check the integrity and connections of the wiring harness
- Check the power and ground of the radar module
- Scan the module for additional errors
- If necessary, replace rear radar module C
- Repair only from an authorized dealer
Related codes
Error U05B9 by Vehicle Brand
FAQ
What does the U05B9 code mean?
U05B9 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Rear Radar Module C
What causes a U05B9 error code?
The most common causes of U05B9 include: Damage to the wiring harness to the radar module; Rear radar module C malfunction; Module power problems; Corrosion or oxidation of contacts.
How do I fix a U05B9 diagnostic trouble code?
To fix U05B9: Check the integrity and connections of the wiring harness. Check the power and ground of the radar module. Scan the module for additional errors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with U05B9?
Yes, but get it checked soon
How much does it cost to fix U05B9?
The estimated repair cost for U05B9 is $167–556. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat