AutoCodes – Chrysler – U0423 Chrysler

U0423 Chrysler 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 Chrysler 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 1,872

How popular is this code, among other codes? Low

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 12, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0423 Chrysler 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 Chrysler - Invalid Data Received From Instrument Panel Cluster Control Module - AutoCodes.com — U0423 Chrysler Code - Invalid Data Received From Instrument Panel Cluster Control Module

What does this mean?

What are the Possible Causes of the DTC U0423 Chrysler?

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 Chrysler?

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 U0423 Chrysler 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.

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

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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 Chrysler Code

1. What are some common symptoms of OBDII code U0423 in a Chrysler vehicle?

- Common symptoms include issues with the instrument panel, such as inaccurate readings or total failure, warning lights turning on, and potential issues with the vehicle's overall performance.

2. What does the OBDII code U0423 in a Chrysler indicate?

- The code U0423 indicates that the Engine Control Module (ECM) has detected invalid data being received from the Instrument Panel Cluster Control Module.

3. What are some possible causes of the U0423 code in a Chrysler?

- Possible causes include a faulty Instrument Panel Cluster Control Module, wiring or connection issues between modules, software glitches, or a malfunction in the ECM itself.

4. How can I diagnose the U0423 code in my Chrysler?

- Diagnosing the U0423 code typically involves using an OBDII scanner to retrieve the code, checking the instrument panel for any visible issues, and conducting a thorough inspection of the wiring and connections.

5. Can I continue driving my Chrysler with the U0423 code present?

- It is not recommended to continue driving the vehicle with the U0423 code present, as it can lead to further electrical problems and potential safety hazards.

6. How can I repair the U0423 code in my Chrysler?

- Repairing the U0423 code may involve replacing the Instrument Panel Cluster Control Module, fixing any wiring or connection issues, updating software, or resetting the ECM.

7. Are there any DIY tips for fixing the U0423 code in a Chrysler?

- DIY tips include checking and securing all connections, inspecting for visible damage or corrosion in the wiring, and ensuring proper grounding of the modules.

8. Will resetting the ECM clear the U0423 code in my Chrysler?

- Resetting the ECM may temporarily clear the code, but it is important to address the root cause of the issue to prevent the code from reoccurring.

9. How much does it typically cost to repair the U0423 code in a Chrysler?

- The cost of repairs for the U0423 code can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. Can the U0423 code in a Chrysler be a recurring problem?

- Yes, if the root cause of the U0423 code is not properly addressed, it can become a recurring problem, leading to ongoing issues with the instrument panel and other electrical systems.