How to Diagnose and Solve B1681 PATS Transceiver Module Signal Is Not Received Issues

Introduction

If you own a Ford vehicle, you may have come across the B1681 PATS transceiver module signal is not received issue. This problem can be frustrating and can prevent your car from starting. However, with the right knowledge and tools, you can diagnose and solve this issue on your own. In this article, we will provide you with step-by-step instructions on how to diagnose and solve the B1681 PATS transceiver module signal is not received issue.

What is the B1681 PATS Transceiver Module Signal Is Not Received Issue?

The B1681 PATS transceiver module signal is not received issue is a common problem that occurs in Ford vehicles. The Passive Anti-Theft System (PATS) is designed to prevent theft by disabling the engine if an unauthorized key is used. The PATS transceiver module is responsible for receiving the signal from the key and sending it to the PATS control module. If the PATS transceiver module is not receiving the signal from the key, the engine will not start, and the B1681 code will be displayed.

Diagnosing the B1681 PATS Transceiver Module Signal Is Not Received Issue

To diagnose the B1681 PATS transceiver module signal is not received issue, you will need a diagnostic tool that can read Ford-specific codes. Follow these steps:

Step 1: Connect the Diagnostic Tool

Connect the diagnostic tool to the OBD-II port under the dashboard of your Ford vehicle.

Step 2: Turn on the Ignition

Turn on the ignition without starting the engine.

Step 3: Read the Codes

Read the codes using the diagnostic tool. If the B1681 code is displayed, it means that the PATS transceiver module is not receiving the signal from the key.

Solving the B1681 PATS Transceiver Module Signal Is Not Received Issue

To solve the B1681 PATS transceiver module signal is not received issue, follow these steps:

Step 1: Check the Key

Check the key to ensure that it is the correct key for your Ford vehicle. If you are using a spare key, try using the original key.

Step 2: Check the Battery

Check the battery in the key to ensure that it is not dead. If the battery is dead, replace it with a new one.

Step 3: Check the Wiring

Check the wiring between the PATS transceiver module and the PATS control module. Ensure that the wiring is not damaged or disconnected.

Step 4: Replace the PATS Transceiver Module

If the key and wiring are not the issue, the PATS transceiver module may be faulty. Replace the PATS transceiver module with a new one.

Conclusion

The B1681 PATS transceiver module signal is not received issue can be frustrating, but with the right knowledge and tools, you can diagnose and solve the problem on your own. Follow the steps outlined in this article to diagnose and solve the issue.

FAQs

1. Can I drive my Ford vehicle with the B1681 code displayed?

No, you cannot drive your Ford vehicle with the B1681 code displayed. The engine will not start, and the vehicle will not move.

2. Can I replace the PATS transceiver module myself?

Yes, you can replace the PATS transceiver module yourself if you have the right tools and knowledge. However, if you are not confident in your abilities, it is best to take your vehicle to a professional mechanic.

3. How much does it cost to replace the PATS transceiver module?

The cost of replacing the PATS transceiver module varies depending on the make and model of your Ford vehicle. However, on average, it can cost between $100 and $300.