AutoCodes – Generic – B2699:01

B2699:01 Code - Right Headlamp Control Circuit Short to Battery

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: B2699:01 indicates Right Headlamp Control Circuit Short to Battery.
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.

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Code Popularity 801

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
Comments
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Code B2699:01 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 detects a short to voltage or an open/high resistance in the right low beam headlamp control circuit.

OBDII Code B2699:01 - Right Headlamp Control Circuit Short to Battery - AutoCodes.com — B2699:01 Code - Right Headlamp Control Circuit Short to Battery

What does this mean?

What are the Possible Causes of the DTC B2699:01?

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 B2699:01?

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 B2699:01 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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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.