AutoCodes – Chevrolet – U2618 Chevrolet

U2618 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6

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 6, Hybrid/EV Battery Interface Control Module 6 harness is open or shorted, Hybrid/EV Battery Interface Control Module 6 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
U2618 Chevrolet indicates Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module 6, Hybrid/EV Battery Interface Control Module 6 harness is open or shorted, Hybrid/EV Battery Interface Control Module 6 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 847
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 U2618 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 6 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 6 to Battery Energy Control Module within 4s.
OBDII Code U2618 Chevrolet - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6 - AutoCodes.com
U2618 Chevrolet Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6

What are the Possible Causes of the DTC U2618 Chevrolet?

  • Faulty Hybrid/EV Battery Interface Control Module 6
  • Hybrid/EV Battery Interface Control Module 6 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 6 circuit poor electrical connection
  • Faulty Battery Energy Control Module

How to Fix the DTC U2618 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 U2618 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.

Need more information about the U2618 Chevrolet 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 U2618 Chevrolet Code

1. What are common symptoms of OBDII code U2618 in a Chevrolet related to Battery Energy Control Module communication loss?

- Common symptoms may include poor hybrid system performance, reduced fuel efficiency, and potential inability to start the vehicle.

2. What are some possible causes of the U2618 code in a Chevrolet?

- Causes can include wiring issues, loose connections, a malfunctioning Battery Energy Control Module, or a fault in the Hybrid/EV Battery Interface Control Module 6.

3. How can I diagnose the U2618 code in my Chevrolet?

- Proper diagnosis typically involves using a professional OBDII scanner to read the code and investigate the communication between the Battery Energy Control Module and the Hybrid/EV Battery Interface Control Module 6.

4. What are some repair tips for resolving the U2618 code in a Chevrolet?

- Repair tips may include checking and repairing any damaged wiring, ensuring all connections are secure, and potentially replacing the faulty modules if necessary.

5. Is it safe to continue driving my Chevrolet with the U2618 code present?

- It is not recommended to drive the vehicle with this code present, as it may lead to further damage and potential safety issues. It is advised to address the issue promptly.

6. Can I reset the U2618 code in my Chevrolet without fixing the underlying problem?

- While you can clear the code using an OBDII scanner, it is important to address the root cause of the issue to prevent it from reoccurring.

7. How much does it typically cost to repair the U2618 code in a Chevrolet?

- The cost of repair can vary depending on the specific issue, but it may involve labor costs for diagnosis and repair, as well as potential part replacement costs.

8. Is the U2618 code specific to certain Chevrolet models or years?

- The U2618 code related to Battery Energy Control Module communication loss can be specific to certain Chevrolet hybrid or electric vehicles equipped with the mentioned control modules.

9. Can I prevent the U2618 code from appearing in my Chevrolet?

- Regular maintenance, including checking the electrical connections and keeping the hybrid system components in good condition, can help prevent issues leading to the U2618 code.

10. How long does it typically take to repair the U2618 code in a Chevrolet?

- Repair time can vary based on the complexity of the issue, availability of parts, and the expertise of the technician. It is advisable to consult a professional for an accurate estimate.

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