U010C GMC Code - Lost Communication with Turbocharger Boost Control Module
Quick Answer
Devices connected to the Powertrain High-Speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator 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
- U010C GMC indicates Lost Communication with Turbocharger Boost Control Module.
- Common causes
- Common causes include Faulty Turbocharger Vane Position Actuator, Turbocharger Vane Position Actuator harness is open or shorted, Turbocharger Vane Position Actuator 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 U010C GMC Description
What are the Possible Causes of the DTC U010C GMC?
- Faulty Turbocharger Vane Position Actuator
- Turbocharger Vane Position Actuator harness is open or shorted
- Turbocharger Vane Position Actuator circuit poor electrical connection
How to Fix the DTC U010C GMC?
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 U010C GMC 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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Information for Specific GMC Models
- U010C 2014 GMC Sierra — Lost Communication with Turbocharger Boost Control Module
- U010C 2015 GMC Sierra — Lost Communication with Turbocharger Boost Control Module
- U010C 2016 GMC Sierra — Lost Communication with Turbocharger Boost Control Module
- U010C 2017 GMC Sierra — Lost Communication with Turbocharger Boost Control Module
- U010C 2018 GMC Sierra — Lost Communication with Turbocharger Boost Control Module
Frequently Asked Questions about U010C GMC Code
1. What does the OBDII code U010C mean on a GMC vehicle?
The U010C code indicates a loss of communication between the ECM (Engine Control Module) and the Turbocharger Boost Control Module.
2. What are the common symptoms of the U010C code on a GMC?
Symptoms include reduced engine power, poor acceleration, increased fuel consumption, and potentially a check engine light.
3. What causes the U010C code to appear?
Common causes include a faulty Turbocharger Boost Control Module, damaged or corroded wiring/connectors, or a failed ECM.
4. Can a bad turbocharger cause the U010C code?
No, a bad turbocharger itself does not cause the U010C code; the issue is related to communication between the control modules.
5. How can I diagnose the U010C code on my GMC?
Start by inspecting the wiring and connectors for damage or corrosion, then check the Turbocharger Boost Control Module and ECM for proper operation.
6. Is it safe to drive with a U010C code on my GMC?
While the vehicle may still be drivable, it can experience reduced performance and efficiency, so addressing the issue promptly is recommended.
7. How is the U010C code typically fixed?
Repairs may involve replacing or fixing damaged wiring, connectors, or communication modules, and in some cases, reprogramming the control module.
8. Can a software update fix the U010C code on a GMC?
Yes, if the issue is related to outdated programming in the ECM or Turbocharger Boost Control Module, a software update may resolve it.
9. What tools are needed to troubleshoot the U010C code?
A diagnostic scanner capable of reading manufacturer-specific codes and a multimeter for electrical testing are essential tools.
10. How much does it cost to repair the U010C code on a GMC?
Repair costs vary depending on the issue but can range from $100 for simple wiring repairs to over $1,000 if module replacement is required.
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