B2699 2017 GMC Sierra Code - Right Headlamp Control Circuit
Quick Answer
The B2699 diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically relates to the right headlamp control circuit. Common causes include Faulty headlamp control module, Wiring issues such as shorts or open circuits, Blown fuse related to the headlamp circuit. 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 headlamp control module, Wiring issues such as shorts or open circuits, Blown fuse related to the headlamp circuit.
- 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 B2699 2017 GMC Sierra Description
The B2699 diagnostic trouble code (DTC) for the 2017 GMC Sierra specifically relates to the right headlamp control circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the right headlamp of the vehicle. The headlamp control circuit plays a crucial role in ensuring proper functioning of the headlamp, which is essential for visibility and safety while driving, especially at night or in low light conditions.
Common Causes of B2699 2017 GMC Sierra
- Faulty headlamp control module.
- Wiring issues such as shorts or open circuits.
- Blown fuse related to the headlamp circuit.
- Defective headlamp bulb.
- Corrosion or poor connections in the headlamp circuit.
Symptoms of B2699 2017 GMC Sierra
- Right headlamp flickering or intermittent operation.
- Right headlamp not turning on at all.
- Dimming of the right headlamp.
- Inability to adjust the right headlamp alignment.
How to Fix B2699 2017 GMC Sierra
- Begin by inspecting the headlamp control module and wiring for any visible damage or corrosion. Replace any damaged components.
- Check the headlamp fuse and replace if necessary.
- Test the headlamp bulb to ensure it is functioning correctly. Replace if defective.
- Use a multimeter to check for continuity in the headlamp circuit wiring and repair any open circuits or shorts.
- Clear the DTC from the vehicle's computer using a diagnostic scan tool after completing the repairs.
Cost to Fix B2699 2017 GMC Sierra
The typical repair costs for addressing the B2699 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts such as a headlamp control module, headlamp bulb, or wiring components can range from $50 to $200. Labor costs at auto repair shops typically range from $80 to $150 per hour. The total cost of repairs for this issue could range from $150 to $500, including parts and labor. It is advisable to consult with a professional mechanic for a more accurate cost estimate based on the specific diagnosis and repair required for your vehicle.
Tech Notes for B2699 2017 GMC Sierra
B2699:02 Right Headlamp Control Circuit Short to Ground
B2699:04 Right Headlamp Control Circuit Open
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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.
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