U0073 2016 Chevrolet Silverado Code - Control Module Communication Bus OFF
Quick Answer
The U0073 code for a 2016 Chevrolet Silverado indicates a Control Module Communication Bus OFF error. Common causes include Faulty Control Module: A malfunctioning control module can disrupt communication on the bus network, Wiring Issues: Damaged or corroded wiring connections can cause a break in communication between modules, Software Glitch: A software glitch or programming issue within the control modules can lead to communication errors. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- U0073 2016 Chevrolet Silverado indicates Control Module Communication Bus OFF.
- Common causes
- Common causes include Faulty Control Module: A malfunctioning control module can disrupt communication on the bus network, Wiring Issues: Damaged or corroded wiring connections can cause a break in communication between modules, Software Glitch: A software glitch or programming issue within the control modules can lead to communication errors.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code U0073 2016 Chevrolet Silverado Description
The U0073 code for a 2016 Chevrolet Silverado indicates a Control Module Communication Bus OFF error. This means that there is a communication issue between one or more control modules in the vehicle. Control modules are essentially small computers that are responsible for various functions within the vehicle, such as engine management, transmission control, ABS, airbags, and more. These modules communicate with each other over a network known as the Controller Area Network (CAN).
Common Causes of U0073 2016 Chevrolet Silverado
- Faulty Control Module: A malfunctioning control module can disrupt communication on the bus network.
- Wiring Issues: Damaged or corroded wiring connections can cause a break in communication between modules.
- Software Glitch: A software glitch or programming issue within the control modules can lead to communication errors.
- Faulty CAN Bus: A malfunction in the Controller Area Network itself can cause the communication bus to go offline.
- Battery Voltage Issues: Low or fluctuating battery voltage can affect the communication between control modules.
Symptoms of U0073 2016 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the U0073 code is the illumination of the Check Engine Light on the vehicle's dashboard.
- Loss of Communication with Modules: The driver may experience a loss of communication with various control modules, leading to malfunctions in different systems.
- Erratic Behavior: The vehicle may exhibit erratic behavior, such as stalling, rough idle, or hesitation during acceleration.
- Transmission Issues: Problems with shifting gears or erratic transmission behavior can also be a symptom of this code.
- Electrical Malfunctions: Other electrical components in the vehicle may not function correctly, such as power windows, door locks, or lights.
How to Fix U0073 2016 Chevrolet Silverado
- Diagnose the Issue: Use a diagnostic scanner to retrieve the trouble codes and perform a comprehensive scan of all control modules to pinpoint the source of the communication error.
- Check Wiring and Connections: Inspect all wiring harnesses and connections for damage, corrosion, or loose connections. Repair or replace as necessary.
- Update Software: Check for any software updates or reprogramming that may be available for the control modules to address any known communication issues.
- Replace Faulty Control Module: If a specific control module is determined to be faulty and causing the communication error, it may need to be replaced.
- Test and Clear Codes: After completing the repairs, test the vehicle to ensure that the communication bus is functioning properly. Clear the trouble codes and perform a final scan to verify that the issue has been resolved.
Cost to Fix U0073 2016 Chevrolet Silverado
The cost of repairing a U0073 code on a 2016 Chevrolet Silverado can vary depending on the underlying cause of the issue. In general, the cost of parts for this repair could range from $100 to $500, with labor costs adding another $100 to $300. This would bring the total estimated cost to $200 to $800. However, it is essential to note that specific repair costs can fluctuate based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, diagnostic time and labor rates can impact the final cost, with rates typically ranging from $80 to $150 per hour. It is advisable to consult with a professional mechanic for a more precise estimate tailored to your specific situation.
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Frequently Asked Questions about U0073 2016 Chevrolet Silverado Code
1. What does the OBDII code U0073 on a 2016 Chevrolet Silverado mean?
The U0073 code indicates a communication problem between control modules in the vehicle, specifically the Control Module Communication Bus OFF.
2. What are common symptoms of the U0073 code on a 2016 Chevrolet Silverado?
Common symptoms include the check engine light being illuminated, possible loss of communication with various vehicle systems, and in some cases, drivability issues.
3. What are the possible causes of the U0073 code on a 2016 Chevrolet Silverado?
Possible causes of the U0073 code include a faulty control module, wiring or connection issues, a defective communication module, or software malfunctions.
4. How can I diagnose the U0073 code on a 2016 Chevrolet Silverado?
Diagnosing the U0073 code typically involves using a diagnostic scanner to check for other related trouble codes, inspecting the wiring and connections for damage, and testing the control modules for proper communication.
5. Can I still drive my 2016 Chevrolet Silverado with the U0073 code present?
It is not recommended to drive the vehicle with the U0073 code present, as it can lead to further issues with vehicle systems and potentially affect drivability.
6. How can I repair the U0073 code on my 2016 Chevrolet Silverado?
Repairing the U0073 code may involve fixing any damaged wiring or connections, replacing faulty control modules, updating software, or reprogramming the communication modules.
7. Can a DIY enthusiast fix the U0073 code on a 2016 Chevrolet Silverado?
While some basic troubleshooting like checking connections can be done by a DIY enthusiast, diagnosing and repairing the U0073 code may require specialized equipment and expertise, so it's recommended to seek professional help.
8. Will resetting the trouble codes make the U0073 code disappear on a 2016 Chevrolet Silverado?
Resetting the trouble codes may temporarily clear the U0073 code, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven and the communication problem persists.
9. How much does it typically cost to repair the U0073 code on a 2016 Chevrolet Silverado?
The cost of repairing the U0073 code can vary depending on the specific cause of the issue, but it may involve diagnostic fees, parts replacement costs, and labor charges, potentially ranging from a few hundred to a thousand dollars.
10. Is the U0073 code a common issue in 2016 Chevrolet Silverado vehicles?
The U0073 code related to Control Module Communication Bus OFF is not uncommon in modern vehicles, including the 2016 Chevrolet Silverado, and can be triggered by various factors affecting communication between control modules.
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