U0077 2014 Chevrolet Silverado Code - Control Module Communication Chassis Expansion CAN Bus
Quick Answer
The devices connected to the chassis high speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Check for more codes, Faulty Control Module, Control Module harness is open or shorted. 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
- U0077 2014 Chevrolet Silverado indicates Control Module Communication Chassis Expansion CAN Bus.
- Common causes
- Common causes include Check for more codes, Faulty Control Module, Control Module harness is open or shorted.
- 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.
Code U0077 2014 Chevrolet Silverado Description
What are the Possible Causes of the DTC U0077 2014 Chevrolet Silverado?
- Check for more codes
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC U0077 2014 Chevrolet Silverado?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the U0077 2014 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about U0077 2014 Chevrolet Silverado Code
1. What does the OBDII code U0077 on a 2014 Chevrolet Silverado indicate?
- The code U0077 indicates a communication problem with the Control Module Communication Chassis Expansion CAN Bus system.
2. What are common symptoms of the U0077 code in a 2014 Chevrolet Silverado?
- Common symptoms include issues with the vehicle's stability control, traction control, and anti-lock braking systems. The check engine light may also be illuminated.
3. What are possible causes of the U0077 code in a 2014 Chevrolet Silverado?
- Possible causes include faulty wiring or connectors, a malfunctioning chassis control module, a defective CAN bus network, or software issues.
4. How can I diagnose the U0077 code in a 2014 Chevrolet Silverado?
- Diagnosing the U0077 code typically involves inspecting the wiring and connectors for any damage, checking the chassis control module for proper function, and using a diagnostic scanner to assess the CAN bus network.
5. Can I still drive my 2014 Chevrolet Silverado with the U0077 code present?
- It is not recommended to drive the vehicle with the U0077 code active, as it may affect the proper functioning of important safety systems.
6. How can I repair the U0077 code in a 2014 Chevrolet Silverado?
- Repairing the U0077 code may involve repairing or replacing damaged wiring, connectors, or components related to the chassis control module and CAN bus network.
7. Is it possible to reset the U0077 code in a 2014 Chevrolet Silverado without fixing the underlying issue?
- While clearing the code may temporarily turn off the check engine light, the underlying issue causing the U0077 code will persist until properly diagnosed and repaired.
8. Will the U0077 code in a 2014 Chevrolet Silverado cause any long-term damage if left unresolved?
- Ignoring the U0077 code can lead to potential safety hazards due to the compromised communication between critical control modules in the vehicle.
9. Are there any software updates available to address the U0077 code in a 2014 Chevrolet Silverado?
- Checking with a Chevrolet dealership or authorized service center can help determine if there are any software updates or reprogramming options available to address the U0077 code.
10. Can moisture or water exposure contribute to the U0077 code in a 2014 Chevrolet Silverado?
- Yes, moisture or water intrusion into the control module or wiring can lead to corrosion and communication issues that trigger the U0077 code.
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