How to Diagnose and Solve B1808 Lamp Tail Output Circuit Short To Battery Issues

Introduction

As a car owner, it’s essential to know how to diagnose and solve common car problems. One of the most common issues that car owners face is the B1808 Lamp Tail Output Circuit Short To Battery issue. This problem can cause your car’s tail lights to malfunction, which can be dangerous, especially at night. In this article, we will discuss how to diagnose and solve this issue.

What is the B1808 Lamp Tail Output Circuit Short To Battery Issue?

The B1808 Lamp Tail Output Circuit Short To Battery issue is a problem that occurs when there is a short circuit in the tail light circuit. This short circuit can cause the tail lights to malfunction, which can be dangerous, especially at night. The B1808 code is a diagnostic trouble code (DTC) that is stored in the car’s computer system when this issue occurs.

Diagnosing the B1808 Lamp Tail Output Circuit Short To Battery Issue

To diagnose the B1808 Lamp Tail Output Circuit Short To Battery issue, you will need a few tools, including a multimeter, a wiring diagram, and a test light. Here are the steps to diagnose this issue:

Step 1: Check the Tail Light Bulbs

The first step in diagnosing the B1808 Lamp Tail Output Circuit Short To Battery issue is to check the tail light bulbs. Make sure that the bulbs are not burnt out or damaged. If the bulbs are damaged, replace them with new ones.

Step 2: Check the Wiring

The next step is to check the wiring. Use a wiring diagram to locate the tail light circuit’s wires and check for any damage or breaks in the wiring. If you find any damage, repair or replace the wiring as necessary.

Step 3: Check the Tail Light Relay

If the tail light bulbs and wiring are in good condition, the next step is to check the tail light relay. Use a multimeter to test the relay’s continuity and resistance. If the relay is faulty, replace it with a new one.

Step 4: Check the Tail Light Switch

If the tail light relay is in good condition, the next step is to check the tail light switch. Use a test light to check the switch’s continuity and resistance. If the switch is faulty, replace it with a new one.

Solving the B1808 Lamp Tail Output Circuit Short To Battery Issue

Once you have diagnosed the B1808 Lamp Tail Output Circuit Short To Battery issue, it’s time to solve the problem. Here are the steps to solve this issue:

Step 1: Replace the Faulty Component

If you have identified a faulty component during the diagnosis process, replace it with a new one. This could be a tail light bulb, wiring, relay, or switch.

Step 2: Reset the Car’s Computer System

After replacing the faulty component, reset the car’s computer system. This will clear the B1808 code from the system and ensure that the tail lights are functioning correctly.

Conclusion

The B1808 Lamp Tail Output Circuit Short To Battery issue is a common problem that car owners face. By following the steps outlined in this article, you can diagnose and solve this issue quickly and easily. Remember to always prioritize safety when working on your car, and if you’re unsure about anything, seek professional help.

FAQs

1. Can I still drive my car if the tail lights are not working?

No, it’s not safe to drive your car if the tail lights are not working. The tail lights are essential for visibility, especially at night. If your tail lights are not working, you should have them fixed immediately.

2. How much does it cost to fix the B1808 Lamp Tail Output Circuit Short To Battery issue?

The cost of fixing the B1808 Lamp Tail Output Circuit Short To Battery issue depends on the extent of the damage and the cost of the replacement parts. It’s best to get a quote from a professional mechanic to get an accurate estimate.

3. How can I prevent the B1808 Lamp Tail Output Circuit Short To Battery issue from happening again?

To prevent the B1808 Lamp Tail Output Circuit Short To Battery issue from happening again, make sure to regularly check your car’s tail lights and wiring for any damage or wear and tear. Also, avoid overloading your car’s electrical system by using too many accessories at once.