How to Fix Error Code U0073: Generic Control Module Communication Fault

Understanding the u0073 Error Code

u0073 code error

Have you ever been working on your car and suddenly the dashboard lights up like a Christmas tree? One of the most common issues that drivers face is the dreaded check engine light. When this light comes on, it can be alarming and leave you wondering what went wrong.

One error code that may show up on your dash is the u0073 code. This code is a general communication fault code between different control modules in your vehicle. It is common to see this code in modern cars, especially in vehicles made after 2006.

The u0073 code indicates that there is a communication problem between one of the modules in your car. This module could be the engine control module, transmission control module, or another control module that is responsible for managing the electronics in your vehicle. When this code pops up, it means that these modules are not communicating effectively, which causes them to work incorrectly.

There are various reasons why this code may pop up. One common reason is that there is a wiring fault in your vehicle. Wiring faults can occur when wires become damaged or corroded. Another possible cause is a damaged control module. When a control module becomes damaged, it can prevent signals from being sent between the modules, which in turn can trigger the u0073 code.

In addition, the u0073 code can be caused by software issues within your vehicle. This can occur when there is a glitch in your vehicle’s computer system, which causes the software to malfunction. In some instances, this code can even be triggered by something as simple as a dead battery. If your battery is not sending consistent power to the system, it can cause communication problems between the modules in your vehicle.

The good news is that there are steps you can take to fix the u0073 code. However, it’s important to note that the exact steps that you need to take will depend on the type of vehicle you have and the reason for the code. In general, the first step you should take if you see the u0073 code is to get your car checked by a qualified mechanic.

When you bring your car to a mechanic, they can use diagnostic tools to identify the specific underlying issue that triggered the code. From there, they can provide you with a step-by-step plan to fix the problem. Depending on the issue, they may need to repair wiring faults, replace damaged control modules, or update the software in your vehicle.

Ultimately, the u0073 code is not something to ignore. It is a sign that there is a communication problem between the modules in your vehicle, which can cause your car to work incorrectly. If you see this code, it’s important to get your car checked by a mechanic as soon as possible. With the right diagnosis and repairs, you can fix the problem and get your car back to running smoothly.

Common Causes of u0073 Errors

car engine

If you’ve encountered the u0073 code error, don’t panic. It’s a common error that car owners and mechanics often come across. The error code u0073 can cause significant issues to your vehicle’s driveability. In some instances, your car may not start at all. Below are some of the common causes of the u0073 code error:

1. Failed Control Module Sensor

car control module

The control module sensor is responsible for monitoring various systems in your car. When this sensor fails, it can cause various error codes, including u0073. This can happen due to a variety of reasons. It can be a physical issue with the sensor, or the wiring and connectors might be faulty. It’s essential to have this problem addressed as soon as possible to prevent further complications.

2. Malfunctioning ABS Control Module

car ABS control module

Your car’s Anti-lock Braking System (ABS) prevents the wheels from locking during braking. The ABS control module manages this function. If the ABS module malfunctions, this can cause the u0073 error code to appear. The malfunctioning of the ABS module can result from a variety of reasons. Some of the reasons include damaged wiring or a defective mechanic component.

3. Faulty Wheel Speed Sensor

car wheel speed sensor

The wheel speed sensor monitors the rotations of the wheels. This information is then relayed to the car’s computer, which then controls various functions of the vehicle. This sensor might give incorrect readings or fail completely. A faulty wheel speed sensor can trigger the u0073 error code.

4. Damaged Wiring or Connectors

car wiring issues

Wiring and connectors are critical components in your car’s electrical system. They form the connections between various sensors, control modules, and the engine. When there’s damage to the wires or connectors, it can cause issues that result in the u0073 error code. This can happen due to corrosion, breakage, or general wear and tear. It’s essential to have your wiring system checked regularly to avoid such issues.

5. Low Battery Voltage

car battery low voltage

A low battery voltage can cause many electrical malfunctions in your car. It can result in the u0073 error code. Car batteries have a limited lifespan, and they can start to fail due to various reasons. If your battery is old or not charging correctly, it might be the cause of the u0073 error code.

6. Software Issues

car software updates

In some instances, the u0073 error code might occur due to software issues. Your car’s computer system has software that controls various functions. Software bugs and malfunctions can occur due to various reasons. It might be a result of an incomplete update process or a virus. In such cases, your mechanic might have to perform a software update or a complete re-flash of the car’s computer system.

Fixing the u0073 code error might not be simple, and it’s often best left to a professional mechanic. Ignoring the error code can result in significant problems, including complete engine failure. It’s best to have the problem diagnosed and fixed as soon as possible.

Steps to Fix u0073 Errors on Windows OS

Windows 10 error code u0073

If you have encountered the u0073 error code on your Windows OS, there are some steps you can follow to fix this problem. Below are some solutions you can try:

1. Update Your Windows OS

Windows Update

The u0073 error code may be caused by outdated or corrupted system files. To fix this issue, you can try updating your Windows OS to the latest version. Here are the steps to update your Windows OS:

  1. Click the Start menu and select Settings.
  2. Click Update & Security.
  3. Click Windows Update and then click Check for updates.
  4. Wait for the updates to download and install.
  5. Restart your computer.

If updating your Windows OS does not fix the u0073 error code, you can try the next solution below.

2. Run System File Checker (SFC) and DISM


The System File Checker (SFC) and Deployment Image Servicing and Management (DISM) are two built-in tools in Windows OS that can repair and restore corrupted system files. Here are the steps to run SFC and DISM:

  1. Click the Start menu and type Command Prompt in the search bar.
  2. Right-click on Command Prompt and select Run as administrator.
  3. In the Command Prompt window, type the following command and press Enter: sfc /scannow
  4. Wait for the scan to complete and follow the prompts to fix any issues.
  5. After running SFC, in the same Command Prompt window, type the following command and press Enter: dism /online /cleanup-image /restorehealth
  6. Wait for the process to complete and restart your computer.

If running SFC and DISM does not fix the u0073 error code, you can try the next solution below.

3. Check Your System Registry for Corrupted or Missing Entries

Windows Registry

The Windows Registry is a database of system settings and configurations that can affect the performance of your computer. Corrupted or missing entries in the registry can cause the u0073 error code. Here are the steps to check your system registry:

  1. Click the Start menu and type regedit in the search bar.
  2. Right-click on regedit.exe and select Run as administrator.
  3. In the Registry Editor window, navigate to the following location: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows
  4. Check that the following entries have the correct values:
    • Device: Should be set to harddiskvolume2\windows\System32\consent.exe (or a similar path depending on your system configuration)
    • LoadAppInit_DLLs: Should be set to 0
    • RequireSignedAppInit_DLLs: Should be set to 1
  5. If any of the values above are incorrect or missing, right-click on the entry and select Modify. Enter the correct value and click OK.
  6. Exit Registry Editor and restart your computer.

Hopefully, one of these solutions has helped you fix the u0073 error code on your Windows OS. If none of these solutions work, you may have to seek professional help or contact Microsoft support for further assistance.

Troubleshooting u0073 Errors in Specific Applications

u0073 error

If you are encountering the u0073 error specifically in certain applications, there are a few troubleshooting steps you can take to fix the issue.

Step 1: Restart the Application

First off, try restarting the application where you are seeing the u0073 error. This may sound like a simple solution, but sometimes a simple restart can do the trick. If the error persists, move on to the next step.

Step 2: Update the Application

Make sure that you are running the latest version of the application where you are encountering the u0073 error. Developers often release updates to fix bugs and improve performance. Check the application’s website or your app store for any available updates.

Step 3: Reinstall the Application

If updating the application did not fix the u0073 error, the next step would be to uninstall and then reinstall the application. This will remove any corrupt or damaged files that may be causing the error. Once you have reinstalled the application, restart your computer and test if the error has been resolved.

Step 4: Check for Compatibility Issues

compatibility issues

The u0073 error can also occur due to compatibility issues between the application and the operating system. Make sure that the application is compatible with your computer’s operating system. Check the application’s system requirements and compare them to your computer’s specifications.

If you have recently updated your operating system, ensure that the application is compatible with the latest version. Additionally, some applications may require specific versions of other software to run correctly. Check the application’s documentation to see if any additional software is required for proper functionality.

Step 5: Run a Virus Scan

In some cases, the u0073 error may be caused by malware or a virus on your computer. Run a full virus scan on your system to ensure that it is free from any malicious software. If any viruses are detected, remove them and restart your computer. Test the application to see if the error has been resolved.

Step 6: Contact the Application Developer

If none of the above steps have resolved the u0073 error, it may be time to contact the application developer for further assistance. Check the application’s website for a support section or contact page. Reach out to the developer with details about the error and steps you have taken to troubleshoot the issue. They may be able to provide a solution or a patch to fix the issue.

In conclusion, troubleshooting u0073 errors in specific applications can be a tedious process, but by following these steps, you should be able to resolve the issue. Remember to always keep your applications updated and your system free from any viruses or malware.

Best Practices for Preventing u0073 Errors in the Future

Best Practices for Preventing u0073 Errors in the Future

Fixing the u0073 error is just the first step in preventing it from happening again. To ensure that this particular error doesn’t reoccur, you need to follow some best practices to keep your computer healthy.

Keep your computer clean

Computer cleaning

In order to avoid u0073 and other errors in the future, it is important that you keep your computer clean. Dust and grime that accumulate on the computer components can cause many issues, including overheating, which leads to various types of errors. Dusty fan blades and blocked vents reduce airflow, causing the temperature within the computer to soar. A cleaning routine can help prevent such dust issues. Clean the CPU fan, air vents, heat sink, and other components using a soft-bristled brush or canned air.

Keep your computer up-to-date

Computer updates

The best way to stay secure is to keep your computer up-to-date. Updates not only fix existing bugs but also enhance your computer’s security. Updates protect you from malware attacks by patching vulnerabilities in your system. Therefore, always ensure that you have the latest version of your operating system and software applications.

Do not ignore error messages

Error message

Ignoring error messages is never a good idea, especially if they keep appearing on your screen. Error messages are alerts that tell you that something is wrong with your computer. Ignoring error messages can lead to more problems in the future. When you get an error message, search for a solution. Try to identify what is causing the error, and address it. You can fix most errors by doing an internet search, reading support forums, or contacting technical support.

Install a good antivirus software

Antivirus software

Antivirus software helps protect your computer from viruses, malware, trojans, and other threats. It does this by scanning your computer regularly and detecting any malicious software that might have entered your system. A good antivirus software can help safeguard your computer and prevent the u0073 and other errors. Therefore, always ensure that your computer has an updated antivirus software installed.

Use disk cleanup and defragmentation tools

Disk cleanup

Disk cleanup and defragmentation tools help remove temporary files, system files, and unnecessary apps. This helps free up space on your hard drive, increasing your computer’s performance. Perform a disk cleanup and defragmentation regularly to keep your system running smoothly.

Following these best practices can help keep your computer in top condition, prevent errors, and ensure a smooth user experience. By keeping your computer clean, up-to-date, and protected, you can ensure a more reliable and error-free system.

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