B390A GMC Code - Short Range Object Sensor Performance
Quick Answer
The Radar Sensor Module short range performs internal fault detection on itself. Common causes include Faulty Radar Sensor Module, Radar Sensor Module harness is open or shorted, Radar Sensor Module circuit poor electrical connection. 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 GMC indicates Short Range Object Sensor Performance.
- Common causes
- Common causes include Faulty Radar Sensor Module, Radar Sensor Module harness is open or shorted, Radar Sensor Module circuit poor electrical connection.
- 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.
Code B390A GMC Description
What are the Possible Causes of the DTC B390A GMC?
- Faulty Radar Sensor Module
- Radar Sensor Module harness is open or shorted
- Radar Sensor Module circuit poor electrical connection
How to Fix the DTC B390A GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B390A GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B390A GMC Code
1. What are the common symptoms of OBDII code B390A GMC (Short Range Object Sensor Performance)?
- The common symptoms include faulty parking assist system operation, inaccurate distance measurements, and warning lights on the dashboard.
2. What are the possible causes of OBDII code B390A GMC?
- The code B390A can be triggered by issues with the short range object sensor itself, wiring problems, or a malfunction in the parking assist module.
3. How can I diagnose the cause of OBDII code B390A GMC?
- Diagnosis involves checking the wiring and connections to the short range object sensor, testing the sensor's functionality, and inspecting the parking assist module for any faults.
4. Can a dirty sensor trigger OBDII code B390A GMC?
- Yes, a dirty or obstructed short range object sensor can lead to inaccurate readings and trigger the B390A trouble code.
5. What repairs can be done to fix OBDII code B390A GMC?
- Repairs may involve cleaning the sensor, repairing or replacing damaged wiring, recalibrating the sensor, or replacing the short range object sensor altogether.
6. Is it safe to drive with OBDII code B390A GMC active?
- It is generally safe to drive with the code active, but it is recommended to address the issue promptly to ensure the parking assist system functions correctly.
7. Can weather conditions affect the performance of the short range object sensor triggering OBDII code B390A GMC?
- Yes, extreme weather conditions such as heavy rain, snow, or fog can affect the sensor's performance and trigger the B390A trouble code.
8. How much does it typically cost to repair OBDII code B390A GMC?
- The cost of repairs can vary depending on the specific cause of the issue, but it may range from $100 to $300 for sensor cleaning or replacement, and up to $500 for more extensive repairs.
9. Can I reset OBDII code B390A GMC using an OBDII scanner?
- Yes, an OBDII scanner can be used to reset the code after the underlying issue has been diagnosed and addressed.
10. Are there any preventive maintenance tips to avoid OBDII code B390A GMC?
- Regularly cleaning the short range object sensor, checking the wiring for damage, and ensuring the parking assist system is functioning properly can help prevent the occurrence of the B390A trouble code.
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