U01A0 2017 GMC Sierra Code - Lost Communication with Hybrid/EV Battery Interface Control Module 1
Quick Answer
This diagnostic monitors the internal battery communication status between the Hybrid/EV Powertrain Control Module 2 and the Hybrid/EV Battery Interface Control Modules. 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
- U01A0 2017 GMC Sierra indicates Lost Communication with Hybrid/EV Battery Interface Control Module 1.
- 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 U01A0 2017 GMC Sierra Description
What are the Possible Causes of the DTC U01A0 2017 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 U01A0 2017 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 U01A0 2017 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 U01A0 2017 GMC Sierra code?
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Frequently Asked Questions about U01A0 2017 GMC Sierra Code
1. What does the OBDII code U01A0 indicate on a 2017 GMC Sierra?
The U01A0 code suggests that there is a communication problem between the vehicle’s main control units and the Hybrid/EV Battery Interface Control Module 1.
2. What are common symptoms of the U01A0 code in a 2017 GMC Sierra?
Symptoms may include reduced vehicle performance, the hybrid system not operating efficiently, the check engine light turning on, and possible inability to start the engine.
3. What can cause the U01A0 code to appear on a 2017 GMC Sierra?
Causes can range from a faulty Hybrid/EV Battery Interface Control Module, damaged wiring or connectors in the communication bus, or issues with the vehicle’s main control unit (ECU).
4. How is the U01A0 code diagnosed in a 2017 GMC Sierra?
Diagnosis involves using a scan tool to check for communication faults, inspecting the wiring and connectors for damage, and possibly testing the functionality of the Hybrid/EV Battery Interface Control Module and other related components.
5. What steps are involved in repairing the U01A0 code on a 2017 GMC Sierra?
Repair steps may include replacing or repairing damaged wiring, replacing faulty components such as the Hybrid/EV Battery Interface Control Module, and clearing the code from the system followed by a thorough retest to ensure the issue is resolved.
6. Is driving a 2017 GMC Sierra safe with the U01A0 code?
Driving with the U01A0 code can be risky as it involves the vehicle’s hybrid system, which might affect the vehicle's performance and reliability. It is advisable to address the issue promptly to ensure safety.
7. Can a faulty battery cause the U01A0 code in a 2017 GMC Sierra?
While a faulty battery itself may not directly cause this code, issues related to the battery's interface control module, which manages communication and battery operation, can trigger the U01A0 code.
8. What tools are needed to diagnose the U01A0 code on a 2017 GMC Sierra?
Diagnosing this code typically requires a professional OBDII scanner capable of interfacing with the vehicle’s communication network, along with standard automotive diagnostic tools for checking electrical connections and voltages.
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