B390A
Short Range Object Sensor Performance
B390A is an OBD-II diagnostic trouble code meaning: Short Range Object Sensor Performance. Common causes: sensor contamination, wiring damage. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the parking system
- False collision warnings
- No audible or visual cues when approaching objects
Causes
- Sensor contamination
- Wiring damage
- Malfunction of the sensor itself
- Module software failure
How to Fix
- Check and clean the sensor from dirt
- Check the integrity of wiring and connectors
- Test the sensor using diagnostic equipment
- Replace sensor if necessary
- Update module software
Related codes
Error B390A by Vehicle Brand
FAQ
What does the B390A code mean?
B390A is an OBD-II diagnostic trouble code that indicates: Short Range Object Sensor Performance
What causes a B390A error code?
The most common causes of B390A include: Sensor contamination; Wiring damage; Malfunction of the sensor itself; Module software failure.
How do I fix a B390A diagnostic trouble code?
To fix B390A: Check and clean the sensor from dirt. Check the integrity of wiring and connectors. Test the sensor using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B390A?
Limited driving only, diagnose soon
How much does it cost to fix B390A?
The estimated repair cost for B390A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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