B1567 – OBD-II DTC

OBD-II DTC B1567 – Lamp Headlamp High-Beam Circuit Failure

DTC B1567 meaning

DTC B1567 refers to a diagnostic trouble code indicating a failure in the high-beam circuit of the headlamp system. This code is part of the On-Board Diagnostics II (OBD-II) system, which monitors various vehicle components for faults. When the vehicle’s computer detects an issue with the high-beam circuit, it triggers this specific code to alert the technician of the problem.

DTC B1567 symptoms

Common symptoms associated with DTC B1567 may include:

• High-beam headlights not functioning
• Dashboard warning lights illuminated
• Inconsistent operation of the headlamp system
• Possible flickering of the high-beam lights

DTC B1567 causes

Several factors can lead to the triggering of DTC B1567, including:

• Faulty high-beam headlamp bulbs
• Damaged wiring or connectors in the high-beam circuit
• Defective headlamp relay
• Issues with the body control module (BCM)
• Corrosion or poor connections in the electrical system

DTC B1567 seriousness

The seriousness of DTC B1567 can vary based on the specific vehicle and its usage. However, it is generally considered a moderate issue because:

• Inoperable high-beam headlights can reduce visibility during nighttime driving.
• It may indicate underlying electrical problems that could affect other systems.
• Ignoring the issue could lead to further electrical failures or safety hazards.

How to diagnose DTC B1567

To diagnose DTC B1567, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the B1567 code.
2. Inspect the high-beam headlamp bulbs for any signs of damage or failure.
3. Check the wiring and connectors for corrosion, fraying, or disconnections.
4. Test the headlamp relay for proper operation.
5. Examine the body control module for any faults or error codes.
6. Perform continuity tests on the high-beam circuit wiring.

How to fix DTC B1567 step-by-step instructions

To fix DTC B1567, follow these step-by-step instructions:

1. Replace any faulty high-beam headlamp bulbs.
2. Repair or replace damaged wiring and connectors in the high-beam circuit.
3. Replace the headlamp relay if it is found to be defective.
4. Reprogram or replace the body control module if necessary.
5. Ensure all connections are clean and secure to prevent future issues.
6. Clear the DTC using an OBD-II scanner and test the high-beam operation.

How to erase DTC B1567

To erase DTC B1567 from the vehicle’s computer, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the vehicle’s ignition without starting the engine.
3. Navigate to the “Erase Codes” or “Clear DTCs” option on the scanner.
4. Confirm the action to clear the trouble codes.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.