AutoCodes – Chevrolet – U01A0 2016 Chevrolet Silverado

U01A0 2016 Chevrolet Silverado 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 2016 Chevrolet Silverado 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 187

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 21, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U01A0 2016 Chevrolet Silverado Description

This diagnostic monitors the internal battery communication status between the Hybrid/EV Powertrain Control Module 2 and the Hybrid/EV Battery Interface Control Modules. The diagnostic monitors Hybrid/EV Battery Interface Control Modules data availability whenever this private communications bus is active. The communication network between Hybrid/EV Powertrain Control Module 2 and Hybrid/EV Battery Interface Control Modules is in a daisy-chain architecture. Therefore, a break at any point in the communication bus results in a loss of Hybrid/EV Battery Interface Control Modules communication with the Hybrid/EV Powertrain Control Module 2. If any data is received, the diagnostic will report a pass. If no data is received for greater than 4.5 s, the Hybrid/EV Powertrain Control Module 2 will attempt to initiate the Hybrid/EV Battery Interface Control Modules into a communication mode where the Hybrid/EV Battery Interface Control Modules can perform their own internal communication loop back, bypassing the daisy-chain. If this is the first Hybrid/EV Battery Interface Control Module in the daisy-chain that the Hybrid/EV Powertrain Control Module 2 cannot re-establish communication with, this diagnostic will fail. The Diagnostic Trouble Code (DTC) will be set when the Hybrid/EV Powertrain Control Module 2 has not received data from the Hybrid/EV Battery Interface Control Module 1 for more than 4.5 s.

OBDII Code U01A0 2016 Chevrolet Silverado - Lost Communication with Hybrid/EV Battery Interface Control Module 1 - AutoCodes.com — U01A0 2016 Chevrolet Silverado Code - Lost Communication with Hybrid/EV Battery Interface Control Module 1

What does this mean?

What are the Possible Causes of the DTC U01A0 2016 Chevrolet Silverado?

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 2016 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 U01A0 2016 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 U01A0 2016 Chevrolet Silverado code?

Need more information on how to fix the U01A0 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U01A0 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U01A0 2016 Chevrolet Silverado Code

1. What are common symptoms of OBDII code U01A0 on a 2016 Chevrolet Silverado?

- Common symptoms include loss of communication with the Hybrid/EV Battery Interface Control Module 1, warning lights on the dashboard, and potential drivability issues.

2. What are the possible causes of the U01A0 code on a 2016 Chevrolet Silverado?

- Possible causes include faulty wiring or connections, a malfunctioning Hybrid/EV Battery Interface Control Module 1, software issues, or a damaged communication network.

3. How can I diagnose the U01A0 code on my 2016 Chevrolet Silverado?

- Diagnosis typically involves checking the connections and wiring related to the Hybrid/EV Battery Interface Control Module 1, inspecting for any visible damage, and using a diagnostic scan tool to identify communication faults.

4. Can I drive my 2016 Chevrolet Silverado with the U01A0 code present?

- It is not recommended to drive the vehicle with the U01A0 code active, as it may lead to drivability issues and potentially cause further damage to the hybrid/EV system.

5. How can I reset the U01A0 code on my 2016 Chevrolet Silverado?

- Resetting the code may require addressing the underlying issue first, such as fixing wiring problems or replacing the faulty module. Once the issue is resolved, the code can be cleared using a diagnostic scan tool.

6. Is it safe to continue driving if the U01A0 code disappears on its own?

- Even if the code disappears temporarily, it is advisable to have the vehicle inspected by a qualified technician to ensure the problem is fully resolved and prevent potential future issues.

7. What repair tips can help fix the U01A0 code on a 2016 Chevrolet Silverado?

- Repair tips may include checking and repairing any damaged wiring, ensuring proper connections, updating software if necessary, and replacing the Hybrid/EV Battery Interface Control Module 1 if it is found to be faulty.

8. Can a DIY enthusiast fix the U01A0 code issue on a 2016 Chevrolet Silverado?

- While some basic troubleshooting like checking connections can be done by DIY enthusiasts, diagnosing and repairing complex issues related to the hybrid/EV system typically require professional expertise and specialized tools.

9. How much does it cost to repair the U01A0 code on a 2016 Chevrolet Silverado?

- Repair costs can vary depending on the exact cause of the issue. It's recommended to get a diagnosis from a qualified mechanic to determine the specific repairs needed and associated costs.

10. How can I prevent the U01A0 code from recurring on my 2016 Chevrolet Silverado?

- Regular maintenance, such as checking the wiring and connections, keeping the hybrid/EV system components in good condition, and addressing any warning lights promptly, can help prevent the U01A0 code from reoccurring.