Troubleshooting U0073 Chevy Silverado: Expert Tips and Techniques

The u0073 code on a chevy silverado indicates a communication problem in the controller area network (can) bus system. This issue can lead to various problems in the vehicle’s communication between different modules, such as misfiring, engine stalling, or failure of several electronic systems.

Regular maintenance and timely diagnosis by professionals can help prevent these problems and ensure optimal vehicle performance. It’s crucial to address u0073 as soon as possible to avoid complications and costly repairs down the road. With proper attention and maintenance, your chevy silverado can keep running smoothly for years to come.

In this article, we will discuss the causes, symptoms, and effective solutions to the u0073 code in chevy silverado.

Troubleshooting U0073 Chevy Silverado: Expert Tips and Techniques


What Is U0073 Chevy Silverado Error Code?

U0073 chevy silverado error code is a diagnostic trouble code that indicates a loss of communication between several control modules. This code typically appears on the dashboard when the electronic control unit (ecu) fails to get the necessary data from the control modules.

The most common causes of u0073 error code are damaged connectors, faulty wiring, or a defective control module. To properly diagnose u0073 code, a mechanic must use specialized diagnostic equipment to pinpoint the problem area. Fixing the underlying issue that triggered the u0073 code is crucial as it can cause vehicle performance issues and potential safety concerns.

It’s essential to take action immediately and have your vehicle inspected by a professional mechanic to avoid further damage.

1. Diagnostic Tests For U0073 Chevy Silverado Error Code

U0073 error code in chevy silverado can be identified through various diagnostic tests. Using an obd-ii scanner is one of the most effective ways to troubleshoot the issue. The scanner can retrieve information pertaining to the error code and display it on a screen.

This information should be used to identify the root cause of the problem. There are various diagnostic tips that can be used for this purpose. Once the diagnostic tests have been performed, it is important to interpret the results correctly.

This will ensure that the issue is resolved accurately. Following these steps will help identify and fix the u0073 error code in your chevy silverado.

2. Inspection Of The Communication Area

One critical aspect of dealing with u0073 error in chevy silverado is inspecting the communication area thoroughly. It is crucial to check the wiring harness for any damages or defects that can cause the trouble code. Besides, a thorough examination of the fused power junction box (fpjb) and faulty module communication bus lines is necessary.

Identifying corroded or damaged terminals is also essential. To prevent further issues, it is advisable to consult a professional mechanic who can provide expert advice on the necessary steps to resolve the u0073 chevy silverado error code. A proper inspection of the communication area is crucial to diagnose and fix the u0073 code issue.

3. Resetting U0073 Error Code

Resetting u0073 error code in chevy silverado is a quick and easy process. Without using a scanner, you can manually reset the error code in just a few simple steps. The first step in the process is to disconnect the battery terminals.

Next, wait for at least 10 minutes before reconnecting the terminals. This will reset the vehicle’s internal computer system. It’s important to reset the u0073 error code as it signals an issue with the communication network between modules in the vehicle.

By resetting the error code, you can prevent further damage to the vehicle and improve its overall performance. Follow these steps to reset the u0073 error code and enjoy a hassle-free driving experience in your chevy silverado.

4. Fixing U0073 Chevy Silverado Error Code

U0073 chevy silverado error code can be fixed using quality scanners, programming, and reprogramming tools. The key to fixing the root cause of this error is to have the right tools at your disposal. Some of the required tools for fixing the u0073 error code include a quality obd-ii scanner and access to the manufacturer’s technical service bulletins.

Additionally, you may need to use a reprogramming tool such as gm mdi or j2534 to access the vehicle’s computer system. With the right tools and knowledge, it is possible to fix u0073 error code without requiring a mechanic’s assistance, saving you time and money in the long run.

1. Regular Maintenance And Servicing

Regular maintenance and servicing are crucial for keeping your chevy silverado in top condition. Scheduled maintenance is important to ensure that your vehicle runs smoothly and avoids breakdowns. It is advisable to service your chevy silverado at regular service intervals as specified in your owner’s manual.

Following these recommended service intervals will help you keep your silverado running efficiently and extend its life. Regular maintenance and servicing will also help identify potential issues early on, saving you money in the long run. Some of the benefits of regular maintenance include better fuel economy, improved safety, and reducing the risk of costly repairs.

By taking care of your chevy silverado with scheduled maintenance, you’ll enjoy a reliable and safe ride for years to come.

2. Quality Spare Parts

Identifying quality spare parts for your chevy silverado is crucial. When it comes to choosing between oem or aftermarket parts, it’s important to make an informed decision. While aftermarket parts might be less expensive, they may not perform as well as the original parts.

Using original spare parts ensures that your vehicle functions as it should. Additionally, it helps to maintain the resale value of the vehicle. In this blog post, we’ll explore the importance of using quality spare parts for your chevy silverado and how you can identify them.

Whether you’re replacing a damaged part or upgrading your vehicle, choosing the right spare parts is key to ensuring your chevy silverado performs at its best.

Frequently Asked Questions On U0073 Chevy Silverado

What Is U0073 Code In A Chevy Silverado?

U0073 is a communication code that affects the can bus network in chevy silverado. It means that data stalling occurred in the control module.

What Causes The U0073 Code In A Chevy Silverado?

The u0073 code is a communication fault. It may be caused by damaged or loose wires, incorrect connections, or a malfunctioning module in the can bus network.

How Do You Diagnose The U0073 Code In A Chevy Silverado?

To diagnose the u0073 code in a chevy silverado, you need an obd ii scanner, a multimeter, and a wiring diagram. The scanner will give you the code description, while the multimeter will help you test the wires and connections in the can bus network.

Can You Still Drive A Chevy Silverado With A U0073 Code?

It’s not recommended to drive a chevy silverado with a u0073 code as the vehicle may experience performance or safety issues. It’s best to fix the problem before driving the truck.

How Much Does It Cost To Fix The U0073 Code In A Chevy Silverado?

The cost to fix the u0073 code in a chevy silverado depends on the root cause of the problem. If it’s due to a loose wire, the repair may cost around $100. However, if it’s a malfunctioning module, the cost could be around $500 or more.


After analyzing the u0073 code and its symptoms, it is evident that the chevy silverado owners need to take the necessary actions immediately to prevent further damage and expenses. The root cause of the issue might be traced back to the malfunctioning ecm or can communication system.

However, there are also a few other factors that could trigger the u0073 code. By consulting with a certified mechanic and conducting a thorough diagnosis, one can identify the root cause and fix the issue appropriately. It is crucial to ensure that the repairs and replacements are done using the oem parts, as using aftermarket parts can sometimes aggravate the problem or cause more damage.

Therefore, it is always recommended to take good care of your vehicle and promptly address any warning lights or abnormalities, including the u0073 code, to keep it functioning smoothly and safely on the road.