AutoCodes.com
Login with Google
AutoCodes – Generic – U0426

U0426 Code - Invalid Data Received From Vehicle Immobilizer Control Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Vehicle Immobilizer Control Module, Vehicle Immobilizer Control Module harness is open or shorted, Vehicle Immobilizer Control Module 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
U0426 indicates Invalid Data Received From Vehicle Immobilizer Control Module.
Common causes
Common causes include Faulty Vehicle Immobilizer Control Module, Vehicle Immobilizer Control Module harness is open or shorted, Vehicle Immobilizer Control Module 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.
Save to My Repairs My Repairs
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 53,380
How popular is this code, among other codes? Medium
What is this?
Table of contents Created and updated by William Orellana on Apr 11, 2020
💬 Need more help? Ask Coddy for instant answers — it's free!

Code U0426 Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Vehicle Immobilizer Control Module causing its integrity to be questioned.
OBDII Code U0426 - Invalid Data Received From Vehicle Immobilizer Control Module - AutoCodes.com
U0426 Code - Invalid Data Received From Vehicle Immobilizer Control Module
What does this mean?

What are the Possible Causes of the DTC U0426?

  • Faulty Vehicle Immobilizer Control Module
  • Vehicle Immobilizer Control Module harness is open or shorted
  • Vehicle Immobilizer Control Module circuit poor electrical connection

How to Fix the DTC U0426?

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 U0426 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 U0426 code?

Need more information on how to fix the U0426 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0426 code diagnosed by a professional: Find a repair shop in your area

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 U0426 Code

No Frequently Asked Questions about U0426 Code found.

Discuss the causes and fixes for U0426 OBDII Code

Submit a New Comment
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play