Engine-Codes - Generic - U2505

U2505 - Invalid Data Received From Human Machine Interface Control Module On MOST Bus

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

U2505 Possible Causes

  • Reprogram Human Machine Interface Control Module
  • Faulty Human Machine Interface Control Module
  • Human Machine Interface Control Module harness is open or shorted
  • Human Machine Interface Control Module circuit poor electrical connection

How is the U2505 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 U2505 code

Labor: 1.0

The cost to diagnose the U2505 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)

U2505 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 Human Machine Interface Control Module is not configured properly.

More Information

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Information for specific makes

  • U2505 BUICK Invalid Data Received From Human Machine Interface Control Module On MOST Bus
  • U2505 CADILLAC Invalid Data Received From Human Machine Interface Control Module On MOST Bus
  • U2505 CHEVROLET Invalid Data Received From Human Machine Interface Control Module On MOST Bus
  • U2505 GMC Invalid Data Received From Human Machine Interface Control Module On MOST Bus

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