AutoCodes – Buick – U2625 Buick

U2625 Buick 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 Buick 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 528

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 U2625 Buick 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 Buick - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13 - AutoCodes.com — U2625 Buick Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 13

What does this mean?

What are the Possible Causes of the DTC U2625 Buick?

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 Buick?

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 Buick 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 Buick Code

1. What are the common symptoms of OBDII code U2625 in a Buick related to the Battery Energy Control Module?

- Common symptoms may include issues with hybrid/EV system operation, dashboard warning lights, reduced fuel efficiency, and problems starting the vehicle.

2. What can cause the U2625 code to be triggered in a Buick's Battery Energy Control Module?

- The U2625 code may be triggered by a faulty hybrid/EV battery interface control module, poor electrical connections, wiring issues, or a malfunction within the battery energy control module itself.

3. How can I diagnose the U2625 code in my Buick to pinpoint the exact cause of the communication loss?

- To diagnose the U2625 code, it's recommended to use an OBDII scanner to retrieve the specific trouble codes, inspect the wiring and connections related to the battery control modules, and perform thorough system testing.

4. Is it safe to continue driving my Buick with the U2625 code present?

- It is not recommended to drive your Buick with the U2625 code present, as it can lead to further damage to the hybrid/EV system and potentially affect the vehicle's overall performance and safety.

5. Can I repair the U2625 code issue in my Buick myself, or should I seek professional help?

- Due to the complexity of hybrid/EV systems, it is advisable to seek professional help when dealing with the U2625 code to ensure proper diagnosis and repair by experienced technicians.

6. Are there any DIY tips I can try before taking my Buick in for U2625-related repairs?

- Before seeking professional help, you can check for loose or damaged wiring connections, ensure the battery is properly charged, and reset the system by disconnecting the battery for a few minutes.

7. What are the potential consequences of ignoring the U2625 code in my Buick for an extended period?

- Ignoring the U2625 code can lead to further damage to the hybrid/EV system, reduced fuel efficiency, possible stalling of the vehicle, and eventually complete failure of the system.

8. How long does it typically take to repair the U2625 code issue in a Buick?

- The repair time for the U2625 code can vary depending on the exact cause of the communication loss, but it may take a few hours to a full day for diagnostics, repairs, and system testing.

9. Will resetting the OBDII system clear the U2625 code in my Buick temporarily?

- Resetting the OBDII system may temporarily clear the U2625 code, but if the underlying issue causing the communication loss is not addressed, the code is likely to reappear.

10. What preventive measures can I take to avoid encountering the U2625 code in my Buick in the future?

- To prevent the U2625 code from appearing, it's important to perform regular maintenance on the hybrid/EV system, check for any signs of wear or damage to the components, and address any related trouble codes promptly.