U2623 Buick Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 11
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 11, Hybrid/EV Battery Interface Control Module 11 harness is open or shorted, Hybrid/EV Battery Interface Control Module 11 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
- U2623 Buick indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 11.
- Common causes
- Common causes include Faulty Hybrid/EV Battery Interface Control Module 11, Hybrid/EV Battery Interface Control Module 11 harness is open or shorted, Hybrid/EV Battery Interface Control Module 11 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.
Code U2623 Buick Description
The scan tool does not communicate the Hybrid/EV Battery Interface Control Modules 11 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 11 to Battery Energy Control Module within 4s.
What are the Possible Causes of the DTC U2623 Buick?
- Faulty Hybrid/EV Battery Interface Control Module 11
- Hybrid/EV Battery Interface Control Module 11 harness is open or shorted
- Hybrid/EV Battery Interface Control Module 11 circuit poor electrical connection
- Faulty Battery Energy Control Module
How to Fix the DTC U2623 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 U2623 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.
Need more information about the U2623 Buick code?
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Need Help with the Code?
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Frequently Asked Questions about U2623 Buick Code
1. What are the common symptoms of OBDII code U2623 in a Buick related to the Battery Energy Control Module?
The common symptoms include a hybrid vehicle not starting, loss of power, poor fuel economy, and warning lights illuminated on the dashboard.
2. What are the possible causes of OBDII code U2623 in a Buick?
The code U2623 can be triggered by issues such as a faulty Battery Energy Control Module, a malfunctioning Hybrid/EV Battery Interface Control Module, damaged wiring or connectors, or a drained hybrid/EV battery.
3. How can I diagnose the cause of OBDII code U2623 in my Buick?
Diagnosing the code involves using a diagnostic scanner to retrieve the specific fault codes, inspecting the battery control modules and related components for physical damage, and testing the electrical connections for proper voltage and continuity.
4. What are some repair tips for resolving OBDII code U2623 in a Buick?
Repair tips may include checking and repairing any damaged wiring or connectors, replacing the Battery Energy Control Module or Hybrid/EV Battery Interface Control Module if necessary, and ensuring proper communication between the control modules.
5. Can I drive my Buick with OBDII code U2623 present?
It is not recommended to drive your Buick with this code present, as it can lead to performance issues and potential safety concerns. It is advisable to address the underlying problem as soon as possible.
6. How serious is OBDII code U2623 in a Buick?
OBDII code U2623 related to the Battery Energy Control Module lost communication is a serious issue in a hybrid vehicle, as it can affect the functionality of essential components and the overall performance of the vehicle.
7. Is it possible to reset OBDII code U2623 in a Buick without fixing the underlying issue?
Resetting the code without addressing the underlying problem will only temporarily clear the fault code. It is essential to diagnose and repair the root cause to prevent the code from reoccurring.
8. Can a DIY enthusiast fix OBDII code U2623 in a Buick, or is it best left to professionals?
While some basic troubleshooting steps can be performed by a DIY enthusiast, diagnosing and repairing OBDII code U2623 may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.
9. How much does it typically cost to repair OBDII code U2623 in a Buick?
The cost of repairing OBDII code U2623 can vary depending on the specific cause of the issue, the labor rates in your area, and the cost of parts needed for the repair. It is advisable to obtain quotes from different mechanics for an accurate estimate.
10. How can I prevent OBDII code U2623 from occurring in my Buick in the future?
Regular maintenance, such as keeping the battery control modules clean and free of corrosion, checking the electrical connections periodically, and addressing any warning lights immediately, can help prevent OBDII code U2623 from occurring in the future.
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