U0073 2014 Chevrolet Silverado Code - Control Module Communication Bus OFF
Quick Answer
The U0073 code for a 2014 Chevrolet Silverado indicates that there is a communication bus off error in one of the control modules in the vehicle. Common causes include Damaged Wiring: Corrosion or breaks in the wiring harness can disrupt communication between control modules, Faulty Control Module: A defective control module can cause the communication bus off error, Software Glitch: A software bug or programming issue in one of the control modules can lead to communication problems. 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 2014 Chevrolet Silverado indicates Control Module Communication Bus OFF.
- Common causes
- Common causes include Damaged Wiring: Corrosion or breaks in the wiring harness can disrupt communication between control modules, Faulty Control Module: A defective control module can cause the communication bus off error, Software Glitch: A software bug or programming issue in one of the control modules can lead to communication problems.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code U0073 2014 Chevrolet Silverado Description
The U0073 code for a 2014 Chevrolet Silverado indicates that there is a communication bus off error in one of the control modules in the vehicle. The communication bus is a network that allows different control modules in the vehicle to communicate with each other and share information. When this error occurs, it means that there is a disruption in the communication between these modules, which can lead to various issues with the vehicle's performance.
Common Causes of U0073 2014 Chevrolet Silverado
- Damaged Wiring: Corrosion or breaks in the wiring harness can disrupt communication between control modules.
- Faulty Control Module: A defective control module can cause the communication bus off error.
- Software Glitch: A software bug or programming issue in one of the control modules can lead to communication problems.
- Low Battery Voltage: Insufficient power supply to the control modules can result in communication errors.
Symptoms of U0073 2014 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the U0073 code is the illumination of the check engine light on the dashboard.
- Transmission Issues: The vehicle may experience shifting problems or hesitation when changing gears.
- Electrical Malfunctions: Various electrical components in the vehicle, such as the power windows or radio, may not function properly.
- Loss of Power: The vehicle may exhibit a decrease in power or acceleration.
- Safety System Failure: Safety features like ABS or traction control may become inoperative.
How to Fix U0073 2014 Chevrolet Silverado
- Diagnose the Issue: Use a diagnostic scanner to identify the specific control module causing the communication bus off error.
- Inspect Wiring: Check the wiring harness for any damage or corrosion, and repair or replace as needed.
- Replace Faulty Control Module: If a control module is found to be faulty, it will need to be replaced.
- Update Software: Update the software in the control modules to the latest version to resolve any programming issues.
- Test Drive and Reset: After repairs are completed, test drive the vehicle to ensure the issue has been resolved, and reset the error code with the diagnostic scanner.
Cost to Fix U0073 2014 Chevrolet Silverado
The cost of repairing a U0073 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the parts required for this repair, such as wiring harnesses or control modules, can range from $200 to $800. Labor costs at an auto repair shop can add an additional $100 to $300 to the total bill. Overall, the total repair cost for addressing a communication bus off error typically falls between $300 and $1100. It's important to note that these are rough estimates, and actual costs can fluctuate based on factors like location, shop rates, and the extent of the repairs needed.
Need more information about the U0073 2014 Chevrolet Silverado code?
Need more information on how to fix the U0073 2014 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the U0073 2014 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about U0073 2014 Chevrolet Silverado Code
1. What does the OBDII code U0073 mean on a 2014 Chevrolet Silverado?
U0073 indicates a problem with the Control Module Communication Bus, meaning the vehicle's modules are unable to communicate properly over the CAN (Controller Area Network) bus.
2. What are the common symptoms of code U0073 in a 2014 Chevy Silverado?
Common symptoms include the check engine light or other warning lights turning on, issues with starting the vehicle, unresponsive systems like ABS or traction control, and possible engine performance problems.
3. What causes the U0073 code to appear in a 2014 Chevrolet Silverado?
The code can be caused by a faulty control module, damaged or corroded wiring, a poor ground connection, or a malfunctioning CAN bus harness.
4. Can a dead battery cause the U0073 code in a 2014 Silverado?
Yes, a weak or dead battery can cause voltage drops that disrupt communication between modules, triggering the U0073 code.
5. How do I diagnose the U0073 code on a 2014 Chevrolet Silverado?
Start by checking the battery and charging system, inspecting the CAN bus wiring for damage or corrosion, and ensuring all module ground connections are secure.
6. Is it safe to drive with the U0073 code on a 2014 Chevy Silverado?
Driving may be unsafe depending on the systems affected. For example, if safety-critical systems like ABS or traction control are impaired, immediate repair is recommended.
7. How do I fix the U0073 code on my 2014 Chevrolet Silverado?
Repairs may include replacing damaged wiring, cleaning corroded connectors, securing ground connections, or reprogramming or replacing a faulty module.
8. Can a U0073 code clear itself on a 2014 Chevrolet Silverado?
In rare cases, the code may clear if the issue is intermittent, such as loose wiring. However, diagnosing the root cause is recommended to prevent recurrence.
9. How much does it cost to repair the U0073 code in a 2014 Chevy Silverado?
Repair costs vary depending on the issue, ranging from $100 for basic wiring repairs to $1,000 or more if a module needs replacement and reprogramming.
10. Can an aftermarket accessory cause the U0073 code in my Silverado?
Yes, improperly installed aftermarket accessories, such as alarms or stereos, can interfere with the CAN bus system and trigger the U0073 code.
Discuss the causes and fixes for U0073 2014 Chevrolet Silverado OBDII Code
Code U0073 2014 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.