AutoCodesChevrolet – U2625 Chevrolet

U2625 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13

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 13, Hybrid/EV Battery Interface Control Module 13 harness is open or shorted, Hybrid/EV Battery Interface Control Module 13 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
U2625 Chevrolet indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module 13, Hybrid/EV Battery Interface Control Module 13 harness is open or shorted, Hybrid/EV Battery Interface Control Module 13 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 594
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 18, 2020
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Code U2625 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 13 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 13 to Battery Energy Control Module within 4s.
OBDII Code U2625 Chevrolet - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13 - AutoCodes.com
U2625 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13

What are the Possible Causes of the DTC U2625 Chevrolet?

  • Faulty Hybrid/EV Battery Interface Control Module 13
  • Hybrid/EV Battery Interface Control Module 13 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 13 circuit poor electrical connection
  • Faulty Battery Energy Control Module

How to Fix the DTC U2625 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 U2625 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 U2625 Chevrolet Code

1. What is OBDII code U2625 Chevrolet?

- Code U2625 indicates that the Battery Energy Control Module (BECM) in a Chevrolet has lost communication with the Hybrid/Electric Vehicle Battery Interface Control Module 13.

2. What are the common symptoms of code U2625 in a Chevrolet?

- Symptoms may include reduced vehicle performance, inability to start, error messages on the dashboard, and the hybrid or electric drive system not functioning properly.

3. What could cause code U2625 to appear on a Chevrolet?

- Potential causes include faulty wiring or connections between the BECM and the battery interface control module, issues with the modules themselves, or a software glitch needing an update.

4. How do I diagnose code U2625 in my Chevrolet?

- Diagnosis should begin with a thorough check of the wiring and connectors for any signs of damage or loose connections, followed by testing the function and communication capability of both the BECM and the battery interface control module.

5. Can I drive my Chevrolet with code U2625 appearing?

- While the vehicle might still operate, driving with this code is not recommended as it indicates a major communication issue within the hybrid or electric system that could affect vehicle performance and safety.

6. What are the steps to fix code U2625 in a Chevrolet?

- Repairs can involve reconnecting or replacing damaged wires or connectors, updating software, or replacing faulty modules after thorough testing to confirm which component is malfunctioning.

7. Is code U2625 a serious issue for Chevrolet vehicles?

- Yes, this code is serious as it affects the communication between critical modules that manage the vehicle’s battery and energy systems, potentially leading to decreased functionality or vehicle failure.

8. Will a software update always clear code U2625 on a Chevrolet?

- Not always. While a software update can resolve issues stemming from programming errors, persistent communication errors due to hardware failures will require physical repairs or part replacements.

9. How often do Chevrolet vehicles typically experience code U2625?

- This code is not extremely common but can occur in vehicles with aging electrical components or those that have experienced exposure to extreme conditions, leading to wear and tear on the vehicle's electrical systems.

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