Engine-CodesGMC – B2699 2016 GMC Sierra

B2699 2016 GMC Sierra Code - Right Headlamp Control Circuit

Quick Answer

The B2699 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the right headlamp control circuit. Common causes include Damaged wiring in the headlamp control circuit, Faulty headlamp control module, Defective headlamp switch. 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 2016 GMC Sierra indicates Right Headlamp Control Circuit.
Common causes
Common causes include Damaged wiring in the headlamp control circuit, Faulty headlamp control module, Defective headlamp switch.
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.
Table of contents Created and updated by William Orellana on Sep 08, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B2699 2016 GMC Sierra Description

The B2699 diagnostic trouble code (DTC) for a 2016 GMC Sierra relates to the right headlamp control circuit. This code indicates that there is a malfunction in the circuit responsible for controlling the right headlamp. The headlamp control circuit is an essential component of the vehicle's lighting system, as it allows for the proper operation of the headlight on the right side of the vehicle.

OBDII Code B2699 2016 GMC Sierra - Right Headlamp Control Circuit
B2699 2016 GMC Sierra Code - Right Headlamp Control Circuit

Common Causes of B2699 2016 GMC Sierra

  1. Damaged wiring in the headlamp control circuit
  2. Faulty headlamp control module
  3. Defective headlamp switch
  4. Issue with the vehicle's body control module

Symptoms of B2699 2016 GMC Sierra

  1. Right headlamp not turning on
  2. Flickering of the right headlamp
  3. Right headlamp staying on constantly
  4. Dim or inconsistent brightness in the right headlamp

How to Fix B2699 2016 GMC Sierra

  1. Begin by inspecting the wiring in the headlamp control circuit for any signs of damage or corrosion. Repair or replace any damaged wiring.
  2. Test the headlamp control module to determine if it is functioning properly. Replace the module if it is found to be faulty.
  3. Check the headlamp switch for any defects or malfunctions. Replace the switch if necessary.
  4. Verify the operation of the vehicle's body control module and replace it if it is causing the issue.
  5. Clear the DTC using a diagnostic scanner and test the right headlamp to ensure it is functioning correctly after the repairs are completed.

Cost to Fix B2699 2016 GMC Sierra

The cost of repairing the right headlamp control circuit on a 2016 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the repair cost for this issue can range from $150 to $500, including parts and labor. It is important to note that the exact cost can be influenced by factors such as the location of the repair, the quality of replacement parts used, and the hourly labor rates charged by the auto repair shop. It is recommended to obtain quotes from multiple shops to get a more accurate estimate for your specific situation.

Tech Notes for B2699 2016 GMC Sierra

B2699:01 Right Headlamp Control Circuit Short to Battery
B2699:02 Right Headlamp Control Circuit Short to Ground
B2699:04 Right Headlamp Control Circuit Open

Need more information about the B2699 2016 GMC Sierra code?

Need more information on how to fix the B2699 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2699 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2699 2016 GMC Sierra Code

1. What are common symptoms of OBDII code B2699 on a 2016 GMC Sierra related to the Right Headlamp Control Circuit?

- Common symptoms include the right headlamp not functioning properly, flickering, or not turning on at all.

2. What are possible causes of OBDII code B2699 on a 2016 GMC Sierra?

- Possible causes may include a faulty headlamp control module, damaged wiring or connectors, or a malfunctioning headlamp itself.

3. How can I diagnose the issue related to OBDII code B2699 on my 2016 GMC Sierra?

- To diagnose the issue, you can perform a visual inspection of the headlamp assembly, check the wiring and connectors for any damage, and use a multimeter to test the circuit continuity.

4. Can I repair OBDII code B2699 on my 2016 GMC Sierra by myself?

- Depending on your experience and tools available, you may be able to repair the issue yourself by replacing the faulty headlamp control module, repairing damaged wiring, or addressing any other identified issues.

5. Are there any specific repair tips for fixing OBDII code B2699 on a 2016 GMC Sierra?

- When repairing this code, it is important to follow the manufacturer's service manual for your specific vehicle model to ensure the correct diagnosis and repair procedures are followed.

6. Is it safe to continue driving my 2016 GMC Sierra with OBDII code B2699 related to the Right Headlamp Control Circuit?

- It is not recommended to drive the vehicle with malfunctioning headlamp controls, as it can affect visibility and safety, especially during nighttime driving.

7. What should I do if resetting the OBDII code B2699 on my 2016 GMC Sierra does not resolve the issue?

- If resetting the code does not fix the problem, it is advisable to perform a detailed inspection of the headlamp circuit and components or seek assistance from a professional mechanic.

8. Can extreme weather conditions contribute to triggering OBDII code B2699 on a 2016 GMC Sierra?

- Yes, extreme weather conditions such as heavy rain or snow can potentially cause electrical issues leading to the triggering of OBDII code B2699 related to the Right Headlamp Control Circuit.

9. Are there any recalls or technical service bulletins related to OBDII code B2699 on a 2016 GMC Sierra?

- It is recommended to check with your local GMC dealership or the manufacturer's website for any recalls or technical service bulletins related to this specific OBDII code for your vehicle.

10. How can I prevent OBDII code B2699 from occurring in the future on my 2016 GMC Sierra?

- To prevent OBDII code B2699, regular maintenance checks, keeping the headlamp assembly clean and free of debris, and addressing any electrical issues promptly can help prevent this code from occurring in the future.

Discuss the causes and fixes for B2699 2016 GMC Sierra OBDII Code

Code B2699 2016 GMC Sierra comments

No comments found for this page.