U179C 2015 GMC Sierra Code - Lost Communication with One or More Hybrid/EV Battery Interface Control Modules
Quick Answer
The Hybrid/EV Powertrain Control Module 2 communicates with the Hybrid/EV Battery Interface Control Modules via a dedicated bus inside the Hybrid/EV Battery Pack assembly. Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection. 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
- U179C 2015 GMC Sierra indicates Lost Communication with One or More Hybrid/EV Battery Interface Control Modules.
- Common causes
- Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection.
- 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 U179C 2015 GMC Sierra Description
What are the Possible Causes of the DTC U179C 2015 GMC Sierra?
- Faulty Hybrid/EV Battery Interface Control Module
- Hybrid/EV Battery Interface Control Module harness is open or shorted
- Hybrid/EV Battery Interface Control Module circuit poor electrical connection
How to Fix the DTC U179C 2015 GMC Sierra?
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 U179C 2015 GMC Sierra 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 U179C 2015 GMC Sierra code?
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Frequently Asked Questions about U179C 2015 GMC Sierra Code
1. What are the common symptoms of OBDII code U179C in a 2015 GMC Sierra?
The common symptoms include the check engine light illuminating on the dashboard, possible loss of communication with hybrid/EV battery interface control modules, and potential drivability issues.
2. What could cause the OBDII code U179C to trigger in a 2015 GMC Sierra?
The code U179C usually indicates a communication failure between the vehicle's onboard diagnostics system and one or more hybrid/EV battery interface control modules. This can be caused by wiring issues, faulty connectors, or module malfunctions.
3. How can I diagnose the OBDII code U179C in my 2015 GMC Sierra?
Diagnosing code U179C involves using an OBDII scanner to retrieve the specific fault code, checking the wiring and connectors for any damage or corrosion, and testing the battery interface control modules for proper functionality.
4. Are there any repair tips for fixing the U179C code in a 2015 GMC Sierra?
Repairing the U179C code may involve repairing or replacing damaged wiring and connectors, ensuring all connections are secure, and replacing any faulty hybrid/EV battery interface control modules if necessary.
5. Can I drive my 2015 GMC Sierra with the U179C code present?
It is generally not recommended to drive with the U179C code present, as it can indicate potential issues with the hybrid/EV battery systems that may affect the vehicle's performance and safety.
6. How serious is the U179C code in a 2015 GMC Sierra?
The U179C code should be taken seriously as it indicates a communication problem with critical hybrid/EV battery interface control modules, which can impact the functionality and safety of the vehicle.
7. Is it possible to reset the U179C code in a 2015 GMC Sierra?
While clearing the code with an OBDII scanner is possible, it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.
8. Can a DIY enthusiast fix the U179C code in a 2015 GMC Sierra?
Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to address the U179C code by checking wiring connections and replacing faulty components. However, complex electrical issues may require professional intervention.
9. How much does it cost to repair the U179C code in a 2015 GMC Sierra?
The cost of repairing the U179C code can vary depending on the extent of the issue, the need for replacement parts, and whether professional labor is required. It is advisable to obtain estimates from automotive technicians or repair shops.
10. Are there any recalls or technical service bulletins related to the U179C code in a 2015 GMC Sierra?
Owners of a 2015 GMC Sierra experiencing the U179C code should check with the manufacturer or authorized dealerships for any relevant recalls or technical service bulletins that may address this specific issue.
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