B390C GMC Code - Long Range Radar Sensor Module
Quick Answer
After replacement, the Radar Sensor Module long range must complete an alignment procedure. 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
- B390C GMC indicates Long Range Radar Sensor Module.
- 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 B390C GMC Description
What are the Possible Causes of the DTC B390C 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 B390C 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 B390C 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 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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