P1639 Data Output Link Circuit Failure

How to Diagnose and Solve P1639 Data Output Link Circuit Failure Issues

Introduction

As a car enthusiast, there’s nothing more frustrating than seeing an error code pop up on your vehicle’s dashboard. One such error code is the P1639 Data Output Link Circuit Failure. But don’t worry, this article will guide you through the process of diagnosing and solving this issue.

Before we dive into the solution, it’s crucial to understand what the P1639 Data Output Link Circuit Failure is. This error code indicates a problem with the vehicle’s data output link circuit, which is responsible for transmitting data between different components of the car.

Several factors can trigger this error code, including a faulty data link connector, damaged wiring, or a malfunctioning control module.

Step 1: Use an OBD-II Scanner

The first step in diagnosing this issue is to use an OBD-II scanner. This device will read the error code and provide you with a detailed description of the problem.

car vertical

Step 2: Inspect the Wiring and Connectors

Next, inspect the wiring and connectors for any signs of damage. If you find any frayed wires or loose connectors, they could be the cause of the problem.

Step 3: Check the Control Module

The control module is another potential culprit. If it’s malfunctioning, it could be sending incorrect data to the other components of the car, triggering the error code.

Step 1: Repair or Replace Damaged Wiring

If you’ve found damaged wiring during your inspection, the first step is to repair or replace it. This can often solve the problem and clear the error code.

Step 2: Tighten Loose Connectors

Loose connectors can also cause this error code. If you’ve found any during your inspection, tighten them to ensure a secure connection.

Step 3: Replace the Control Module

If the control module is the problem, you’ll need to replace it. This is a more complex task and may require professional assistance.

Conclusion

The P1639 Data Output Link Circuit Failure can be a daunting error code to face, but with the right knowledge and tools, you can diagnose and solve this issue yourself. Remember, if you’re ever in doubt, don’t hesitate to seek professional help.

FAQs

This is an error code that indicates a problem with the vehicle’s data output link circuit, which is responsible for transmitting data between different components of the car.

You can diagnose this issue by using an OBD-II scanner, inspecting the wiring and connectors, and checking the control module.

You can solve this issue by repairing or replacing damaged wiring, tightening loose connectors, and replacing the control module if necessary.