Engine-Codes - Generic - U2618

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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

U2618 Possible Causes

  • 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 is the U2618 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the U2618 code

Labor: 1.0

The cost to diagnose the U2618 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

U2618 Meaning

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.

More Information

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Information for specific makes

  • U2618 BUICK Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6
  • U2618 CADILLAC Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6
  • U2618 CHEVROLET Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6
  • U2618 GMC Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 6

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