How to Diagnose and Solve B1468 Chime Input Request Circuit Failure Issues

Introduction

As a car owner, you may have experienced a chime sound coming from your vehicle. This sound is usually an indication of a problem with the chime input request circuit. One of the most common issues related to this circuit is the B1468 chime input request circuit failure. In this article, we will discuss how to diagnose and solve this issue.

What is B1468 Chime Input Request Circuit Failure?

B1468 is a diagnostic trouble code (DTC) that indicates a failure in the chime input request circuit. This circuit is responsible for sending signals to the chime module, which produces the chime sound. When this circuit fails, the chime sound may not work, or it may produce an incorrect sound.

Diagnosing B1468 Chime Input Request Circuit Failure

To diagnose this issue, you will need an OBD-II scanner. Follow these steps:

Step 1: Connect the OBD-II Scanner

Connect the OBD-II scanner to the vehicle’s diagnostic port, which is usually located under the dashboard on the driver’s side.

Step 2: Retrieve the DTC

Retrieve the DTC by selecting the “Read Codes” option on the scanner. If the scanner displays the B1468 code, then the chime input request circuit has failed.

Step 3: Inspect the Chime Input Request Circuit

Inspect the chime input request circuit for any signs of damage or corrosion. Check the wiring and connectors for any loose connections or breaks. If you find any damage, repair or replace the affected parts.

Step 4: Check the Chime Module

Check the chime module for any signs of damage or corrosion. If you find any damage, replace the chime module.

Solving B1468 Chime Input Request Circuit Failure

To solve this issue, follow these steps:

Step 1: Repair or Replace the Damaged Parts

If you found any damage during the diagnosis, repair or replace the affected parts.

Step 2: Clear the DTC

Clear the DTC by selecting the “Clear Codes” option on the scanner. This will reset the system and turn off the check engine light.

Step 3: Test the Chime Sound

Test the chime sound to ensure that it is working correctly. If the chime sound is still not working, repeat the diagnosis process.

Conclusion

B1468 chime input request circuit failure is a common issue that can be easily diagnosed and solved. By following the steps outlined in this article, you can diagnose and solve this issue without the need for professional help.

FAQs

1. Can I still drive my car if the chime sound is not working?

Yes, you can still drive your car if the chime sound is not working. However, it is important to diagnose and solve this issue as soon as possible to ensure that you are aware of any potential problems with your vehicle.

2. How much does it cost to replace the chime module?

The cost of replacing the chime module varies depending on the make and model of your vehicle. It is best to consult with a professional mechanic to get an accurate estimate.

3. Can I diagnose and solve this issue without an OBD-II scanner?

No, an OBD-II scanner is required to diagnose and solve this issue. It is a necessary tool for reading and clearing DTCs.