AutoCodes – Chevrolet – B2699 2018 Chevrolet Silverado

B2699 2018 Chevrolet Silverado 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 Chevrolet Silverado 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 457

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 26, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B2699 2018 Chevrolet Silverado Description

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. The headlamp low beam relay will apply voltage to illuminate the headlamps. The Diagnostic Trouble Code (DTC) sets when the BCM receives a command to illuminate the low beam headlamps and the headlamp low beam relay control circuit is open or shorted to voltage or when the BCM does not receive a command to illuminate the low beam headlamps and the headlamp low beam relay control circuit is shorted to ground.

OBDII Code B2699 2018 Chevrolet Silverado - Right Headlamp Control Circuit - AutoCodes.com — B2699 2018 Chevrolet Silverado Code - Right Headlamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B2699 2018 Chevrolet Silverado?

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 Chevrolet Silverado?

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 does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2699 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B2699 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2699 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado Code

1. What does the OBDII code B2699 mean on a 2018 Chevrolet Silverado?

The code B2699 indicates an issue with the right headlamp control circuit, which may involve wiring, connectors, or the headlamp control module.

2. What are common symptoms of the B2699 code in a Chevrolet Silverado?

Common symptoms include the right headlamp not functioning, flickering, or intermittent operation, along with possible dashboard warning lights.

3. What causes the B2699 code on a 2018 Silverado?

Causes may include damaged wiring, corroded connectors, a faulty headlamp bulb, or a malfunctioning headlamp control module.

4. Can a bad headlamp bulb trigger the B2699 code?

Yes, a burned-out or defective bulb can disrupt the circuit and trigger the B2699 code.

5. How do I diagnose the B2699 code on my Silverado?

Start by visually inspecting the right headlamp assembly, wiring, and connectors for damage or corrosion. Use a diagnostic tool to confirm the fault and check the headlamp control circuit.

6. Can a loose connector cause the B2699 code?

Yes, a loose or corroded connector can result in an incomplete circuit and trigger the B2699 code.

7. How do I fix the B2699 code on a 2018 Chevrolet Silverado?

Repairs may include replacing the headlamp bulb, repairing damaged wiring, cleaning or reconnecting corroded connectors, or replacing the headlamp control module.

8. Is the B2699 code specific to the right headlamp?

Yes, the B2699 code specifically relates to the control circuit for the right headlamp.

9. Can driving with the B2699 code damage my vehicle?

Driving with this code wonâ€™t typically cause further damage, but it can impair visibility due to the malfunctioning headlamp, creating a safety risk.

10. Do I need professional help to resolve the B2699 code?

While some repairs, like replacing a bulb or cleaning connectors, can be done at home, diagnosing and fixing complex electrical issues may require professional assistance.