Engine-Codes - Generic - U2506

U2506 - Invalid Data Received From Dual Battery Control Module

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

U2506 Possible Causes

  • Reprogram Dual Battery Control Module
  • Faulty Dual Battery Control Module
  • Dual Battery Control Module harness is open or shorted
  • Dual Battery Control Module circuit poor electrical connection

How is the U2506 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 U2506 code

Labor: 1.0

The cost to diagnose the U2506 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)

U2506 Meaning

Some devices are constantly receiving information from other devices through serial data communication network. The invalid data code will be set when a receiving device detects a discrepancy in the information it receives from another device causing its integrity to be questioned. The symptom byte listed in the Diagnostic Trouble Code (DTC) Descriptor is for engineering reference only. No external circuit diagnosis is involved. The DTC will set if the Dual Battery Control Module is not configured properly.

More Information

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Information for specific makes

  • U2506 BUICK Invalid Data Received From Dual Battery Control Module
  • U2506 CADILLAC Invalid Data Received From Dual Battery Control Module
  • U2506 CHEVROLET Invalid Data Received From Dual Battery Control Module
  • U2506 GMC Invalid Data Received From Dual Battery Control Module

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