AutoCodes – Generic – U0423

U0423 Code - Invalid Data Received From Instrument Panel Cluster 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 Instrument Panel Cluster Control Module, Instrument Panel Cluster Control Module harness is open or shorted, Instrument Panel Cluster 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: U0423 indicates Invalid Data Received From Instrument Panel Cluster Control Module.
Common causes: Common causes include Faulty Instrument Panel Cluster Control Module, Instrument Panel Cluster Control Module harness is open or shorted, Instrument Panel Cluster 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.

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Code Popularity 54,380

How popular is this code, among other codes? Medium

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 11, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
Comments
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Code U0423 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 Instrument Panel Cluster Control Module causing its integrity to be questioned.

OBDII Code U0423 - Invalid Data Received From Instrument Panel Cluster Control Module - AutoCodes.com — U0423 Code - Invalid Data Received From Instrument Panel Cluster Control Module

What does this mean?

What are the Possible Causes of the DTC U0423?

Faulty Instrument Panel Cluster Control Module
Instrument Panel Cluster Control Module harness is open or shorted
Instrument Panel Cluster Control Module circuit poor electrical connection

How to Fix the DTC U0423?

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 does this mean?

Code Tech Notes

Check for other Powertrain Control Module (PCM) codes or PCM related symptoms. Diagnose all other PCM codes or PCM related symptoms first.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0423 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 U0423 code?

Need more information on how to fix the U0423 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U0423 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U0423 Audi — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Buick — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Cadillac — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Chevrolet — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Chrysler — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Dodge — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Ford — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 GMC — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Jeep — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Lincoln — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Mercury — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 RAM — Invalid Data Received From Instrument Panel Cluster Control Module
U0423 Volkswagen — Invalid Data Received From Instrument Panel Cluster Control Module

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 U0423 Code

No Frequently Asked Questions about U0423 Code found.

Discuss the causes and fixes for U0423 OBDII Code

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Mike
Date: September 27, 2017 at 7:47 pm

I know the gasket befor the catalyst is leaking
I did tuneup and fuel sys cleaner
I also have code for the ambient air temp
I change the sensor but it still no temp reading

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OBDIITech
Date: September 28, 2017 at 8:22 pm

What model and year is your vehicle?

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Eghbal Zandkarimi
Date: September 24, 2019 at 2:40 pm

The horn was started to make noise I disconnected and the code is: U0423 any ideas what is the issues?
Thanks

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OBDIITech
Date: September 24, 2019 at 2:49 pm

What model and year is your vehicle?

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Ruud
Date: October 19, 2019 at 10:13 am

I have a Volvo V40 2014, with U042368. Cruise-control is not available on the car, the speed-limiter does work. Anybody any idea ?

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Lee
Date: April 5, 2021 at 12:10 am

Hi does anyone know what this code is for uo42300

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Lee
Date: April 5, 2021 at 12:11 am

For my 2015 golf r

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OBDIITech
Date: April 5, 2021 at 12:22 am

Any other symptoms, besides the code? according to the Factory Service Manual, you have a problem with the Instrument Panel Cluster
U0423 VOLKSWAGEN - Invalid Data Received From Instrument Panel Cluster Control Module
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