The Honda B1140 Code can be a real headache for many vehicle owners. This code indicates a Driver’s Power Window Position Detect Circuit Malfunction, and can cause a range of issues. Diagnosing and repairing the problem requires an understanding of the underlying cause, which can often be difficult to pinpoint. In this article, we discuss the possible causes of the B1140 Code and the solutions for each, so that vehicle owners can make an informed decision about how to best address the issue. For those experiencing the B1140 Code, this article is an essential resource to help you understand the cause and take the necessary steps to fix it.
Causes and Solutions for the Honda B1140 Code
| Cause | Solution |
|---|---|
| Reset the power window control unit | Re-calibrate the power window control unit. |
| Faulty driver’s power window motor | Replace the driver’s power window motor. |
| Faulty door multiplex control unit | Replace the power window master switch. |
| Power window cables disconnected | Reconnect the power window cables. |
Resetting the Power Window Control Unit
One of the potential causes of the B1140 Code is a malfunction in the power window control unit. The first step in addressing this issue is to reset the power window control unit, which can be done by unplugging the unit, waiting a few minutes, and then plugging it back in. This will reset the power window control unit, and if the issue persists, further diagnosis is needed.
Re-Calibrating the Power Window Control Unit
If the reset does not solve the issue, the next step is to re-calibrate the power window control unit. This can be done by accessing the power window control unit through the vehicle’s diagnostic system, and then performing the re-calibration procedure. If the issue is still not resolved, the underlying cause may lie elsewhere.
Faulty Driver’s Power Window Motor
Faulty driver’s power window motor can also be the cause of the B1140 Code. In this case, the faulty motor needs to be replaced. It is important to note that the motor must be replaced with an OEM part, as aftermarket parts may not be compatible with the vehicle’s system.
Faulty Door Multiplex Control Unit
If the driver’s power window motor is not the cause of the B1140 Code, the next step is to inspect the door multiplex control unit. If this unit is malfunctioning, it needs to be replaced with a new, OEM part.
Power Window Cables Disconnected
In some cases, the B1140 Code can be caused by the power window cables being disconnected. This issue can be easily resolved by reconnecting the power window cables.
Conclusion
The Honda B1140 Code can be a real headache for vehicle owners. It is important to understand the possible causes of the code and the solutions for each, so that the issue can be addressed correctly. By following the steps outlined in this article, vehicle owners can make an informed decision about how to best address the Honda B1140 Code and take the necessary steps to fix it.
https://www.youtube.com/watch?v=scWc_9ALo9Y