B2699 2018 GMC Sierra Code - Right Headlamp Control Circuit
Quick Answer
When the Body Control Module (BCM) senses a request for low-beam headlamp illumination, the BCM sends a ground signal to the low-beam headlamp relay through the headlamp low-beam relay control circuit. Common causes include Faulty Right Low Beam Headlamp, Right Low Beam Headlamp harness is open or shorted, Right Low Beam Headlamp 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
- B2699 2018 GMC Sierra indicates Right Headlamp Control Circuit.
- Common causes
- Common causes include Faulty Right Low Beam Headlamp, Right Low Beam Headlamp harness is open or shorted, Right Low Beam Headlamp 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 B2699 2018 GMC Sierra Description
What are the Possible Causes of the DTC B2699 2018 GMC Sierra?
- Faulty Right Low Beam Headlamp
- Right Low Beam Headlamp harness is open or shorted
- Right Low Beam Headlamp circuit poor electrical connection
- Faulty Low Beam Headlamp Relay
- Faulty Body Control Module (BCM)
How to Fix the DTC B2699 2018 GMC Sierra?
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.
Code Tech Notes
B2699:02 Right Headlamp Control Circuit Short to Ground
B2699:04 Right Headlamp Control Circuit Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B2699 2018 GMC Sierra 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 B2699 2018 GMC Sierra Code
1. What are the common symptoms of OBDII code B2699 in a 2018 GMC Sierra related to the Right Headlamp Control Circuit?
- The common symptoms include the right headlamp not functioning properly, flickering, or staying on continuously.
2. What are the possible causes of OBDII code B2699 in a 2018 GMC Sierra for the Right Headlamp Control Circuit?
- The code B2699 can be triggered by issues such as a faulty headlamp control module, damaged wiring, or a defective headlamp assembly.
3. How can I diagnose the OBDII code B2699 in my 2018 GMC Sierra's Right Headlamp Control Circuit?
- To diagnose the issue, you can start by checking the headlamp fuses, inspecting the wiring for any visible damage, and using a multimeter to test the headlamp control module.
4. Can a DIY enthusiast repair OBDII code B2699 in a 2018 GMC Sierra for the Right Headlamp Control Circuit?
- While some simple issues like blown fuses can be repaired by DIY enthusiasts, complex issues involving the control module or wiring may require professional assistance.
5. Are there any quick tips to troubleshoot OBDII code B2699 in a 2018 GMC Sierra's Right Headlamp Control Circuit?
- Quick tips include checking the headlamp bulbs for proper connection, ensuring the headlamp aim is correct, and resetting the headlamp control module by disconnecting the battery.
6. How important is it to address OBDII code B2699 in a 2018 GMC Sierra for the Right Headlamp Control Circuit promptly?
- It is crucial to address the issue promptly as the right headlamp's proper functioning is essential for visibility and safety, especially during nighttime driving.
7. Can extreme weather conditions affect the triggering of OBDII code B2699 in a 2018 GMC Sierra's Right Headlamp Control Circuit?
- Yes, extreme weather conditions like heavy rain or snow can potentially cause electrical issues that may trigger the code B2699 related to the right headlamp control circuit.
8. Is it necessary to replace the entire headlamp assembly when dealing with OBDII code B2699 in a 2018 GMC Sierra for the Right Headlamp Control Circuit?
- Not necessarily. In many cases, the issue can be resolved by repairing or replacing specific components like the headlamp control module or fixing wiring issues.
9. How much can I expect to pay for repairing OBDII code B2699 in a 2018 GMC Sierra's Right Headlamp Control Circuit at a professional auto repair shop?
- The cost of repair can vary depending on the exact cause of the issue, but it's advisable to budget for parts and labor costs ranging from $100 to $500 or more.
10. Are there any recalls or technical service bulletins related to OBDII code B2699 in a 2018 GMC Sierra for the Right Headlamp Control Circuit?
- It's recommended to check with a GMC dealership or refer to online resources for any recalls or technical service bulletins specific to the OBDII code B2699 in a 2018 GMC Sierra's Right Headlamp Control Circuit.
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