B2699 2017 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 2017 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 2017 GMC Sierra Description
What are the Possible Causes of the DTC B2699 2017 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 2017 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 2017 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.
Need more information about the B2699 2017 GMC Sierra code?
Need more information on how to fix the B2699 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B2699 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B2699 2017 GMC Sierra Code
1. What does the OBDII code B2699 mean on a 2017 GMC Sierra?
The B2699 code indicates an issue with the right headlamp control circuit, which can impact the functionality of the right headlamp.
2. What are the common symptoms of a B2699 code on a 2017 GMC Sierra?
Symptoms include the right headlamp not working, flickering, or being dim, as well as potential warning messages on the dashboard.
3. What causes the B2699 code to appear on a GMC Sierra?
Common causes include a faulty headlamp bulb, damaged wiring or connectors, a malfunctioning headlamp control module, or a blown fuse.
4. Can a bad headlamp bulb trigger the B2699 code?
Yes, a burned-out or defective right headlamp bulb is one of the most common reasons for this code.
5. How do you troubleshoot the B2699 code on a 2017 GMC Sierra?
Start by inspecting the right headlamp bulb, checking for blown fuses, and examining the wiring and connectors for damage or corrosion.
6. Does the B2699 code mean the headlamp control module needs to be replaced?
Not necessarily. The module may be at fault, but the issue could also be caused by simpler problems like a bad bulb or damaged wiring.
7. Is it safe to drive with the B2699 code active?
Driving with this code may compromise visibility at night or in poor weather, so it’s best to address the issue promptly.
8. How much does it cost to fix the B2699 code on a GMC Sierra?
Repair costs vary depending on the cause but can range from $20 for a new bulb to $200 or more for module replacement or extensive wiring repairs.
9. Can clearing the code fix the B2699 issue?
Simply clearing the code won’t fix the issue. The underlying problem in the headlamp circuit must be repaired to prevent the code from returning.
10. Could moisture in the headlamp assembly cause the B2699 code?
Yes, moisture can cause electrical shorts or corrosion in the wiring, leading to the B2699 code.
Discuss the causes and fixes for B2699 2017 GMC Sierra OBDII Code
Code B2699 2017 GMC Sierra 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.
