How to Diagnose and Solve B1770 Seat Driver Backward Circuit Open Issues

Introduction

If you’re experiencing issues with your car’s seat, specifically the driver’s seat, and you’ve received a B1770 error code, then you’re in the right place. This error code indicates that there is an issue with the seat driver backward circuit open. In this article, we’ll guide you through the process of diagnosing and solving this issue.

Step 1: Check the Wiring

The first step in diagnosing this issue is to check the wiring. Start by checking the wiring harness that connects to the seat. Look for any signs of damage, such as frayed wires or loose connections. If you find any damage, repair or replace the wiring as necessary.

Step 2: Check the Seat Switch

If the wiring appears to be in good condition, the next step is to check the seat switch. The seat switch is responsible for controlling the movement of the seat. To check the switch, use a multimeter to test the continuity of the switch. If the switch is faulty, replace it with a new one.

Step 3: Check the Seat Motor

If the wiring and switch appear to be in good condition, the next step is to check the seat motor. The seat motor is responsible for moving the seat backward and forward. To check the motor, use a multimeter to test the continuity of the motor. If the motor is faulty, replace it with a new one.

Step 4: Check the Seat Control Module

If the wiring, switch, and motor appear to be in good condition, the next step is to check the seat control module. The seat control module is responsible for controlling the movement of the seat. To check the module, use a diagnostic tool to read the error codes. If the module is faulty, replace it with a new one.

Step 5: Test the Seat

Once you’ve checked all of the components, it’s time to test the seat. Start by moving the seat backward and forward to ensure that it’s working properly. If the seat still isn’t working, repeat the diagnostic process to ensure that you haven’t missed anything.

Conclusion

In conclusion, if you’re experiencing issues with your car’s seat and you’ve received a B1770 error code, then it’s likely that there is an issue with the seat driver backward circuit open. By following the steps outlined in this article, you should be able to diagnose and solve this issue.

FAQs

1. Can I fix this issue myself?

Yes, you can fix this issue yourself if you have the necessary tools and knowledge. However, if you’re not comfortable working on your car, it’s best to take it to a professional mechanic.

2. How long does it take to fix this issue?

The time it takes to fix this issue depends on the severity of the problem and your level of experience. It could take anywhere from a few hours to a full day.

3. How much does it cost to fix this issue?

The cost of fixing this issue depends on the severity of the problem and the cost of the replacement parts. It could cost anywhere from a few hundred dollars to over a thousand dollars.