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AutoCodes - Generic - U2603

U2603 Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1

- Code Popularity: 1,682 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Jun 18, 2020
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|U2603 code possible causes

  • Faulty Hybrid/EV Battery Interface Control Module 1
  • Hybrid/EV Battery Interface Control Module 1 harness is open or shorted
  • Hybrid/EV Battery Interface Control Module 1 circuit poor electrical connection
  • Faulty Battery Energy Control Module

|How do I fix code U2603 code?

Check 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.

Does your car have Safety Recalls? → Check here

|Cost of diagnosing U2603 code

Labor: 1.0

The cost of diagnosing the U2603 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are U2603 code possible symptoms?

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

|U2603 code 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 1 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 1 to Battery Energy Control Module within 4s.

OBDII Code u2603 - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1 - AutoCodes.com
U2603 Code - Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1

|Need more information with the U2603 code?

Need more information on how to fix the U2603 code? Get Access to Factory Service Manuals

|Information for specific makes

  • U2603 BUICK Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1
  • U2603 CADILLAC Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1
  • U2603 CHEVROLET Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1
  • U2603 GMC Battery Energy Control Module Lost Communication With Hybrid/EV Battery Interface Control Module 1

|Need help with a U2603 code?

Get the u2603 code diagnosed by a professional: Find a repair shop in your area

|U2603 code comments

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