B390A Code - Short Range Object Sensor Performance
Quick Answer
The B390A diagnostic trouble code (DTC) refers to the Short Range Object Sensor Performance in the vehicle's system. Common causes include Faulty short-range object sensor, Wiring or connection issues, Sensor calibration errors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B390A indicates Short Range Object Sensor Performance.
- Common causes
- Common causes include Faulty short-range object sensor, Wiring or connection issues, Sensor calibration errors.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B390A Description
The B390A diagnostic trouble code (DTC) refers to the Short Range Object Sensor Performance in the vehicle's system. This code indicates that there is an issue with the short-range object sensor, which is a crucial component in modern vehicles equipped with advanced driver assistance systems (ADAS). The short-range object sensor is responsible for detecting obstacles or objects in close proximity to the vehicle, providing essential information for features like parking assist, blind-spot monitoring, and collision avoidance systems.
Common Causes of B390A
- Faulty short-range object sensor
- Wiring or connection issues
- Sensor calibration errors
- Environmental factors such as dirt or debris obstructing the sensor
- Electrical system malfunctions
Symptoms of B390A
- Malfunctioning parking assist system
- Inaccurate blind-spot monitoring alerts
- Loss of collision warning functionality
- Warning light illuminated on the dashboard
- Difficulty in maneuvering in tight spaces
How to Fix B390A
- Diagnose the specific cause of the B390A code using a professional diagnostic tool.
- Inspect the short-range object sensor for any physical damage or malfunctions.
- Check the wiring and connections related to the sensor for loose connections or corrosion.
- Perform sensor calibration or reset, if necessary.
- Replace the faulty sensor or repair any damaged components as needed.
Cost to Fix B390A
The typical repair costs for addressing the B390A code related to the Short Range Object Sensor Performance can vary depending on the specific cause of the issue and the vehicle's make and model. On average, the parts for replacing a faulty sensor can range from $100 to $300, while labor costs can add an additional $100 to $200. Overall, the total repair costs for this issue may fall within the range of $200 to $500. It is essential to consider the specific diagnosis time and labor rates at auto repair shops, which can fluctuate based on various factors. It is advisable to consult with a professional mechanic for a more accurate estimate tailored to your vehicle's needs.
Need more information about the B390A code?
Need more information on how to fix the B390A code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B390A code diagnosed by a professional: Find a repair shop in your area
Code B390A Information for Specific Makes
- B390A Buick — Short Range Object Sensor Performance
- B390A Cadillac — Short Range Object Sensor Performance
- B390A Chevrolet — Short Range Object Sensor Performance
- B390A GMC — Short Range Object Sensor Performance
Frequently Asked Questions about B390A Code
1. What are the common symptoms of OBDII code B390A (Short Range Object Sensor Performance)?
- Common symptoms include erratic behavior of the short-range object sensor, false alerts, or complete sensor failure.
2. What are the possible causes of OBDII code B390A?
- Potential causes include sensor malfunctions, wiring issues, sensor calibration problems, or sensor alignment issues.
3. How can I diagnose the Short Range Object Sensor Performance issue related to code B390A?
- Diagnose the issue by conducting a visual inspection of the sensor and its wiring, checking for any visible damage or loose connections. Use an OBDII scanner to retrieve and analyze the specific fault codes.
4. How can I repair OBDII code B390A related to Short Range Object Sensor Performance?
- Repair options include recalibrating the sensor, replacing faulty wiring, realigning the sensor, or replacing the sensor itself if necessary.
5. Can a DIY enthusiast fix OBDII code B390A at home?
- Depending on your skill level and access to tools, a DIY enthusiast may be able to address simpler causes of the issue, such as checking and securing wiring connections. However, more complex repairs may require professional assistance.
6. Are there any safety concerns associated with OBDII code B390A?
- While the code itself does not pose direct safety risks, a malfunctioning short-range object sensor can impact the performance of safety features like parking assist systems. It's important to address the issue promptly to ensure proper functionality.
7. What are the potential long-term effects of ignoring OBDII code B390A?
- Ignoring the code may lead to continued sensor malfunctions, reduced accuracy of safety features, or complete sensor failure, which can compromise your vehicle's safety and performance.
8. Can extreme weather conditions affect the Short Range Object Sensor Performance related to OBDII code B390A?
- Yes, extreme weather conditions like heavy rain, snow, or extreme temperatures can impact the sensor's performance, leading to false alerts or sensor malfunctions.
9. How can I prevent OBDII code B390A from reoccurring in the future?
- Regularly inspect and maintain the short-range object sensor, ensure proper sensor alignment and calibration, and address any issues promptly to prevent the code from reoccurring.
10. Is it necessary to reset the OBDII system after repairing OBDII code B390A?
- It's recommended to clear the OBDII system after repairing the issue to reset the fault code and ensure the system recognizes the repairs.
Discuss the causes and fixes for B390A OBDII Code
Code B390A comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.