How to Diagnose and Solve B1807 Lamp Tail Output Circuit Open Issues

Introduction

Car problems can be frustrating, especially when you don’t know what’s causing them. One common issue that car owners face is the B1807 Lamp Tail Output Circuit Open problem. This issue can cause your car’s tail lights to stop working, which can be dangerous, especially at night. In this article, we will discuss how to diagnose and solve this problem.

What is the B1807 Lamp Tail Output Circuit Open Issue?

The B1807 Lamp Tail Output Circuit Open issue is a problem that occurs when there is an open circuit in the tail light wiring. This can cause the tail lights to stop working, which can be dangerous, especially at night. The B1807 code is a diagnostic trouble code (DTC) that is stored in the car’s computer when this issue occurs.

Diagnosing the B1807 Lamp Tail Output Circuit Open Issue

To diagnose the B1807 Lamp Tail Output Circuit Open issue, you will need a few tools, including a multimeter and a wiring diagram for your car. Here are the steps to follow:

Step 1: Check the Tail Light Bulbs

The first thing you should do is check the tail light bulbs. Sometimes, a burnt-out bulb can cause the B1807 code to appear. To check the bulbs, remove them from the tail light assembly and inspect them for any signs of damage or burnout. If the bulbs are fine, move on to the next step.

Step 2: Check the Wiring

The next step is to check the wiring for any signs of damage or corrosion. Use a multimeter to check the continuity of the wiring. If there is an open circuit, you will need to repair or replace the damaged wiring.

Step 3: Check the Tail Light Assembly

If the wiring is fine, the next step is to check the tail light assembly. Remove the tail light assembly and inspect it for any signs of damage or corrosion. If the tail light assembly is damaged, you will need to replace it.

Solving the B1807 Lamp Tail Output Circuit Open Issue

Once you have diagnosed the B1807 Lamp Tail Output Circuit Open issue, it’s time to solve it. Here are the steps to follow:

Step 1: Repair or Replace the Wiring

If the wiring is damaged, you will need to repair or replace it. Use a wiring diagram to identify the damaged wires and repair or replace them as needed.

Step 2: Replace the Tail Light Assembly

If the tail light assembly is damaged, you will need to replace it. You can purchase a new tail light assembly from your local auto parts store or online.

Step 3: Clear the DTC

Once you have repaired or replaced the damaged components, you will need to clear the DTC from the car’s computer. Use an OBD-II scanner to clear the code.

Conclusion

The B1807 Lamp Tail Output Circuit Open issue can be frustrating, but it’s not impossible to diagnose and solve. By following the steps outlined in this article, you can identify the problem and fix it quickly and easily. Remember to always use caution when working on your car and consult a professional if you’re unsure about any aspect of the repair process.

FAQs

1. Can I still drive my car if the tail lights aren’t working?

No, it’s not safe to drive your car if the tail lights aren’t working. The tail lights are an important safety feature that helps other drivers see your car at night.

2. How much does it cost to repair the B1807 Lamp Tail Output Circuit Open issue?

The cost of repairing the B1807 Lamp Tail Output Circuit Open issue will depend on the extent of the damage. If it’s just a matter of replacing a bulb, it will be relatively inexpensive. However, if the wiring or tail light assembly needs to be replaced, it could be more expensive.

3. Can I fix the B1807 Lamp Tail Output Circuit Open issue myself?

If you have experience working on cars and the necessary tools, you can fix the B1807 Lamp Tail Output Circuit Open issue yourself. However, if you’re unsure about any aspect of the repair process, it’s best to consult a professional.