AutoCodes – GMC – U2624 GMC

U2624 GMC Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 12

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 12, Hybrid/EV Battery Interface Control Module 12 harness is open or shorted, Hybrid/EV Battery Interface Control Module 12 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
U2624 GMC indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 12.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module 12, Hybrid/EV Battery Interface Control Module 12 harness is open or shorted, Hybrid/EV Battery Interface Control Module 12 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 521
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 U2624 GMC 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 12 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 12 to Battery Energy Control Module within 4s.
OBDII Code U2624 GMC - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 12 - AutoCodes.com
U2624 GMC Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 12

What are the Possible Causes of the DTC U2624 GMC?

  • Faulty Hybrid/EV Battery Interface Control Module 12
  • Hybrid/EV Battery Interface Control Module 12 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 12 circuit poor electrical connection
  • Faulty Battery Energy Control Module

How to Fix the DTC U2624 GMC?

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 U2624 GMC 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 U2624 GMC code?

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Need Help with the Code?

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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 U2624 GMC Code

1. What are the common symptoms of OBDII code U2624 in a GMC vehicle?

- Common symptoms include issues with starting the vehicle, poor fuel efficiency, and warning lights illuminated on the dashboard related to the hybrid or EV system.

2. What could cause the OBDII code U2624 to trigger in a GMC vehicle?

- The code may be triggered due to a communication breakdown between the Battery Energy Control Module and the Hybrid/EV Battery Interface Control Module, potentially caused by wiring issues, module failure, or software glitches.

3. How serious is the U2624 code in a GMC vehicle?

- The code indicates a communication problem between critical components of the hybrid or EV system, which can affect the vehicle's performance and efficiency. It is important to address this issue promptly.

4. Can I still drive my GMC vehicle with the U2624 code present?

- It is not recommended to drive the vehicle with the U2624 code present, as it can lead to further damage to the hybrid or EV system. It is best to have the issue diagnosed and repaired by a qualified technician.

5. How can I diagnose and repair the U2624 code in my GMC vehicle?

- Diagnosis typically involves checking the wiring connections between the Battery Energy Control Module and the Hybrid/EV Battery Interface Control Module, as well as testing the modules for proper functioning. Repair may involve fixing wiring issues, replacing faulty modules, or updating software.

6. Is it necessary to reset the OBDII code U2624 after repairs are made?

- Yes, it is important to clear the code after the necessary repairs have been completed. This will reset the system and allow for proper monitoring of the hybrid or EV system.

7. Can a DIY enthusiast fix the U2624 code issue in a GMC vehicle?

- While some basic checks like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing the underlying cause of the U2624 code may require advanced tools and expertise best handled by a professional technician.

8. How much does it cost to repair the U2624 code in a GMC vehicle?

- The cost of repairing the U2624 code can vary depending on the root cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to get multiple quotes from reputable technicians.

9. Are there any preventive measures to avoid the U2624 code in a GMC vehicle?

- Regular maintenance of the hybrid or EV system, including checking wiring connections and keeping software up to date, can help prevent issues that may trigger the U2624 code.

10. Can the U2624 code be intermittent in a GMC vehicle?

- Yes, the U2624 code can sometimes be intermittent, meaning the communication problem between the modules may come and go. It is still important to address this issue to prevent further complications.

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