U179C 2014 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 2014 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 2014 GMC Sierra Description
What are the Possible Causes of the DTC U179C 2014 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 2014 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 2014 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 2014 GMC Sierra code?
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Frequently Asked Questions about U179C 2014 GMC Sierra Code
1. What are common symptoms of OBDII code U179C in a 2014 GMC Sierra?
- Common symptoms include the check engine light illuminating, loss of communication with hybrid/EV battery interface control modules, and potential drivability issues.
2. What does the OBDII code U179C indicate in a 2014 GMC Sierra?
- The code U179C indicates a communication error between the vehicle's onboard diagnostic system and one or more hybrid/EV battery interface control modules.
3. What are possible causes of the U179C code in a 2014 GMC Sierra?
- Possible causes include damaged wiring or connectors, a faulty battery interface control module, software issues, or a malfunctioning onboard diagnostic system.
4. How can I diagnose the U179C code in my 2014 GMC Sierra?
- Diagnosing the U179C code typically involves checking the wiring and connectors for damage, testing the battery interface control module, and using a diagnostic scan tool to communicate with the affected modules.
5. Can I still drive my 2014 GMC Sierra with the U179C code?
- It is not recommended to continue driving the vehicle with the U179C code present, as it can potentially lead to drivability issues and further damage if left unaddressed.
6. How can I repair the U179C code in my 2014 GMC Sierra?
- Repairing the U179C code may involve fixing any damaged wiring or connectors, replacing the faulty battery interface control module, updating software as needed, or resetting the onboard diagnostic system.
7. Is the U179C code specific to hybrid or electric vehicles in a 2014 GMC Sierra?
- Yes, the U179C code specifically pertains to communication issues with hybrid/EV battery interface control modules, indicating a problem within the vehicle's hybrid or electric system.
8. Can a DIY enthusiast fix the U179C code in a 2014 GMC Sierra?
- While some simple checks like inspecting wiring and connectors can be done by DIY enthusiasts, diagnosing and repairing the U179C code may require specialized tools and expertise, so it is recommended to seek professional help.
9. How much does it cost to repair the U179C code in a 2014 GMC Sierra?
- The cost of repairing the U179C code can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs, so it's best to get a diagnostic evaluation from a trusted mechanic for an accurate estimate.
10. Will resetting the OBDII system clear the U179C code in a 2014 GMC Sierra?
- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the U179C code is not addressed and fixed, the code is likely to reappear after driving the vehicle again.
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