AutoCodes – Chevrolet – U2606 Chevrolet

U2606 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 4

Quick Answer

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Common causes include Faulty Hybrid/EV Battery Interface Control Module 4, Hybrid/EV Battery Interface Control Module 4 harness is open or shorted, Hybrid/EV Battery Interface Control Module 4 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: U2606 Chevrolet indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 4.
Common causes: Common causes include Faulty Hybrid/EV Battery Interface Control Module 4, Hybrid/EV Battery Interface Control Module 4 harness is open or shorted, Hybrid/EV Battery Interface Control Module 4 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.

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Code Popularity 1,241

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 Jun 18, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U2606 Chevrolet Description

Devices connected to the serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and commands are exchanged among the devices. The devices have prerecorded information about what messages are needed to be exchanged on the serial data circuits, for each virtual network. The messages are supervised and also, some periodic messages are used by the receiver device as an availability indication of the transmitter device. Each message contains the identification number of the transmitter device.
The scan tool does not communicate the Hybrid/EV Battery Interface Control Modules 4 on Battery Energy Control Module dedicated bus.
The Diagnostic Trouble Code (DTC) will set when there is no temperature report message from Hybrid/EV Battery Interface Control Modules 4 to Battery Energy Control Module within 4s.

OBDII Code U2606 Chevrolet - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 4 - AutoCodes.com — U2606 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 4

What does this mean?

What are the Possible Causes of the DTC U2606 Chevrolet?

Faulty Hybrid/EV Battery Interface Control Module 4
Hybrid/EV Battery Interface Control Module 4 harness is open or shorted
Hybrid/EV Battery Interface Control Module 4 circuit poor electrical connection
Faulty Battery Energy Control Module

How to Fix the DTC U2606 Chevrolet?

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 U2606 Chevrolet 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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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 U2606 Chevrolet Code

1. What are the common symptoms of OBDII code U2606 in a Chevrolet related to Battery Energy Control Module communication loss?

- Common symptoms include loss of hybrid system functionality, warning lights on the dashboard, and potential difficulty starting the vehicle.

2. What are the possible causes of the U2606 code indicating communication loss between Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4 in a Chevrolet?

- Possible causes may include wiring issues, loose connections, a faulty Battery Energy Control Module, a malfunctioning Hybrid/EV Battery Interface Control Module 4, or software glitches.

3. How can I diagnose the U2606 code in my Chevrolet related to Battery Energy Control Module communication loss?

- Diagnosing the issue may involve checking the wiring and connections between the modules, performing a scan tool diagnosis to identify specific communication errors, and testing the modules for proper functionality.

4. Is it safe to continue driving my Chevrolet with the U2606 code present indicating communication loss between the Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4?

- It is not recommended to drive the vehicle with this code present, as it may lead to further damage to the hybrid system components and potentially affect the drivability of the vehicle.

5. How can I repair the U2606 code in my Chevrolet indicating communication loss between the Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4?

- Repair steps may involve checking and repairing any damaged wiring or connections, replacing faulty modules if necessary, and reprogramming or updating the software to ensure proper communication between the modules.

6. Can a DIY enthusiast fix the U2606 code related to Battery Energy Control Module communication loss in a Chevrolet?

- While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing complex hybrid system issues like this code may require specialized tools and expertise, so it's recommended to consult a professional technician.

7. How much does it typically cost to repair the U2606 code indicating communication loss between the Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4 in a Chevrolet?

- Repair costs can vary depending on the underlying cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Will resetting the OBDII code U2606 related to Battery Energy Control Module communication loss in a Chevrolet solve the problem?

- Simply resetting the code may temporarily clear the warning lights, but it will not fix the root cause of the communication loss issue between the modules, so further diagnosis and repair are recommended.

9. How long does it usually take to repair the U2606 code in a Chevrolet indicating communication loss between the Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4?

- The repair time can vary based on the complexity of the issue and the availability of parts, but it typically takes a few hours to a full day to diagnose and repair the communication problem between the modules.

10. Are there any recalls or technical service bulletins related to the U2606 code in Chevrolet vehicles with Battery Energy Control Module communication issues?

- It's recommended to check with a Chevrolet dealership or online resources for any recalls or technical service bulletins related to the U2606 code and communication problems between the Battery Energy Control Module and Hybrid/EV Battery Interface Control Module 4.