AutoCodes – Generic – B1568

B1568 Code - Lamp Headlamp High-Beam Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Lamp Headlamp High-Beam. Common causes include Faulty Lamp Headlamp High-Beam, Lamp Headlamp High-Beam harness is open or shorted, Lamp Headlamp High-Beam 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: B1568 indicates Lamp Headlamp High-Beam Circuit Open.
Common causes: Common causes include Faulty Lamp Headlamp High-Beam, Lamp Headlamp High-Beam harness is open or shorted, Lamp Headlamp High-Beam 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 4,317

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 04, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1568 Description

The Body Control Module (BCM) monitors the Lamp Headlamp High-Beam. The BCM sets the OBDII code when the Lamp Headlamp High-Beam is not to factory specifications.

OBDII Code B1568 - Lamp Headlamp High-Beam Circuit Open - AutoCodes.com — B1568 Code - Lamp Headlamp High-Beam Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1568?

Faulty Lamp Headlamp High-Beam
Lamp Headlamp High-Beam harness is open or shorted
Lamp Headlamp High-Beam circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1568?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1568 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 B1568 code?

Need more information on how to fix the B1568 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1568 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 B1568 Code

1. What are the common symptoms of OBDII code B1568 (Lamp Headlamp High-Beam Circuit Open)?

- The common symptoms include the high-beam headlights not functioning, no high-beam indicator on the dashboard, or a high-beam warning light on the instrument cluster.

2. What can cause the OBDII code B1568 to trigger?

- This code can be triggered by a damaged wiring harness, a faulty high-beam headlamp bulb, a defective high-beam switch, or a loose electrical connection.

3. How do I diagnose the cause of OBDII code B1568?

- To diagnose the issue, you can start by visually inspecting the wiring harness, checking the high-beam headlamp bulb for continuity, testing the high-beam switch, and verifying all electrical connections are secure.

4. Can I still drive my vehicle with OBDII code B1568 present?

- It is generally safe to drive with this code, but it is recommended to address the issue promptly to ensure proper headlight operation for optimal visibility while driving at night.

5. How can I repair OBDII code B1568 (Lamp Headlamp High-Beam Circuit Open)?

- The repair process may involve replacing a damaged wiring harness, installing a new high-beam headlamp bulb, repairing or replacing the high-beam switch, or securing any loose electrical connections.

6. Will resetting the OBDII code B1568 make it go away permanently?

- Resetting the code may temporarily clear the error, but if the underlying issue is not fixed, the code is likely to reappear. It is crucial to diagnose and address the root cause of the problem.

7. Are there any DIY tips for fixing OBDII code B1568?

- DIY enthusiasts can start by checking and cleaning the high-beam headlamp connectors, inspecting the fuse related to the high beams, and using a multimeter to test the continuity of the wiring.

8. Can extreme weather conditions cause OBDII code B1568 to trigger?

- Yes, extreme weather conditions like heavy rain or snow can contribute to moisture getting into the headlamp assembly and causing electrical issues that may trigger this code.

9. Is it necessary to take my vehicle to a mechanic for OBDII code B1568 diagnosis and repair?

- While some basic checks can be done at home, a professional mechanic with diagnostic tools and expertise may be needed to accurately diagnose and repair the high-beam circuit issue causing OBDII code B1568.

10. Will OBDII code B1568 affect my vehicle's overall performance?

- While this code specifically relates to the high-beam headlamp circuit, it does not directly impact the overall performance of the vehicle. However, addressing it promptly is important for safe nighttime driving.