U0077 2015 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 2015 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 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC U0077 2015 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 2015 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 2015 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.
Need more information about the U0077 2015 Chevrolet Silverado code?
Need more information on how to fix the U0077 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals
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Frequently Asked Questions about U0077 2015 Chevrolet Silverado Code
1. What is OBDII code U0077 on a 2015 Chevrolet Silverado?
The U0077 code indicates a control module communication chassis expansion CAN bus communication error on a 2015 Chevrolet Silverado.
2. What are the common symptoms of U0077 code in a 2015 Chevrolet Silverado?
Common symptoms of the U0077 code may include communication issues between various control modules in the vehicle, malfunctioning warning lights on the dashboard, and potential drivability issues.
3. What are the possible causes of the U0077 code in a 2015 Chevrolet Silverado?
Possible causes of the U0077 code can include damaged wiring or connectors in the CAN bus network, faulty control modules, software issues, or a malfunctioning powertrain control module (PCM).
4. How do you diagnose the U0077 code in a 2015 Chevrolet Silverado?
Diagnosing the U0077 code typically involves using a diagnostic scanner to retrieve the specific fault codes, checking the CAN bus network for continuity and proper communication, and inspecting the wiring and connectors for any damage or corrosion.
5. Can I continue driving my 2015 Chevrolet Silverado with the U0077 code?
It is not recommended to continue driving a vehicle with the U0077 code present, as it can lead to further communication issues between critical control modules and potentially affect the vehicle's performance and safety.
6. How do you repair the U0077 code in a 2015 Chevrolet Silverado?
Repairing the U0077 code may involve repairing or replacing damaged wiring or connectors, reprogramming control modules, or replacing faulty components such as the PCM or other control modules.
7. Can resetting the trouble codes fix the U0077 code in a 2015 Chevrolet Silverado?
Simply resetting the trouble codes may temporarily clear the U0077 code, but if the underlying issue causing the communication error is not addressed, the code is likely to return.
8. Is the U0077 code a common issue in 2015 Chevrolet Silverado vehicles?
The U0077 code related to control module communication chassis expansion CAN bus errors is not extremely common in 2015 Chevrolet Silverado vehicles, but it can occur due to various factors.
9. Can a DIY enthusiast fix the U0077 code in a 2015 Chevrolet Silverado?
While some DIY enthusiasts may be able to diagnose and repair simple wiring or connector issues related to the U0077 code, more complex repairs involving control modules or software reprogramming may require professional assistance.
10. How much does it cost to repair the U0077 code in a 2015 Chevrolet Silverado?
The cost of repairing the U0077 code in a 2015 Chevrolet Silverado can vary depending on the underlying cause of the issue, the parts needed for repair, and whether professional labor is required. It is advisable to obtain a diagnostic and repair estimate from a qualified mechanic.
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