B390C GMC Code - Long Range Radar Sensor Module
Quick Answer
The B390C GMC code refers to a fault in the Long Range Radar Sensor Module in the vehicle. Common causes include Faulty Long Range Radar Sensor Module, Wiring or connection issues, Water or debris intrusion affecting the sensor. 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
- B390C GMC indicates Long Range Radar Sensor Module.
- Common causes
- Common causes include Faulty Long Range Radar Sensor Module, Wiring or connection issues, Water or debris intrusion affecting the sensor.
- 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.
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Code B390C GMC Description
The B390C GMC code refers to a fault in the Long Range Radar Sensor Module in the vehicle. This module is a crucial component of the advanced driver assistance systems (ADAS) in modern vehicles. The Long Range Radar Sensor Module is responsible for detecting objects in the vehicle's vicinity, providing data for features such as adaptive cruise control, collision avoidance, and automatic emergency braking.
Common Causes of B390C GMC
- Faulty Long Range Radar Sensor Module.
- Wiring or connection issues.
- Water or debris intrusion affecting the sensor.
- Damage to the sensor due to a collision or impact.
- Software glitches or calibration errors.
Symptoms of B390C GMC
- Adaptive cruise control not working properly or disabled.
- Collision warning system not functioning.
- Automatic emergency braking system not engaging.
- Inaccurate or erratic readings on the radar display.
- Dashboard warning light related to the radar system illuminated.
How to Fix B390C GMC
- Diagnose the issue by using a diagnostic scanner to retrieve the specific fault codes and perform a visual inspection of the sensor and its connections.
- Check for any loose or damaged wiring and repair or replace as necessary.
- Clean the sensor and its surroundings to ensure there is no debris or obstruction affecting its performance.
- If the sensor is found to be faulty, replace it with a new one and calibrate it according to manufacturer specifications.
- Perform a test drive to verify that the Long Range Radar Sensor Module is functioning correctly and that the symptoms have been resolved.
Cost to Fix B390C GMC
The cost of repairing a Long Range Radar Sensor Module can vary depending on the make and model of the vehicle, the location of the repair shop, and the extent of the damage. On average, the parts for this repair can range from $300 to $800, while the labor costs can be between $150 and $300. Overall, the total repair cost for this issue can be estimated to be between $450 and $1100. It is recommended to contact local auto repair shops to get a more accurate estimate based on the specific circumstances.
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Frequently Asked Questions about B390C GMC Code
1. What are common symptoms of OBDII code B390C GMC (Long Range Radar Sensor Module)?
- Common symptoms include issues with the adaptive cruise control system, inaccurate distance readings, and potential loss of collision warning features.
2. What can cause the OBDII code B390C GMC to appear?
- The code B390C typically appears due to a malfunction in the Long Range Radar Sensor Module, which can be caused by electrical faults, sensor damage, or software issues.
3. How can I diagnose the OBDII code B390C GMC?
- Diagnosis involves using a professional OBDII scanner to retrieve the code, along with conducting a thorough inspection of the Long Range Radar Sensor Module and its components.
4. Is it safe to drive with the OBDII code B390C GMC active?
- It is not recommended to drive with the B390C code present, as it can affect the proper functioning of safety features like adaptive cruise control and collision warning systems.
5. Can I reset the OBDII code B390C GMC myself?
- While you can attempt to clear the code using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.
6. How much does it typically cost to repair the OBDII code B390C GMC?
- The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the Long Range Radar Sensor Module, which can range from a few hundred to over a thousand dollars.
7. Are there any DIY tips for fixing the OBDII code B390C GMC?
- DIY tips may include checking for loose connections, inspecting the radar sensor for physical damage, and ensuring that the sensor is properly calibrated according to manufacturer specifications.
8. Can extreme weather conditions trigger the OBDII code B390C GMC?
- Yes, extreme weather conditions such as heavy rain, snow, or intense sunlight can affect the performance of the Long Range Radar Sensor Module and potentially trigger the B390C code.
9. How long does it typically take to repair the OBDII code B390C GMC?
- Repair times can vary depending on the extent of the issue and the availability of replacement parts, but it may take a few hours to a full day to complete the repair.
10. Is it necessary to visit a dealership for repair of the OBDII code B390C GMC?
- While visiting a dealership is recommended for proper diagnosis and repair, independent automotive shops with experience in radar sensor systems may also be able to address the B390C code effectively.
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