AutoCodes – Chrysler – U0424 Chrysler

U0424 Chrysler Code - Invalid Data Received From HVAC 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 Heating, Ventilation, and Air Conditioning (HVAC) Control Module, HVAC Control Module harness is open or shorted, HVAC 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: U0424 Chrysler indicates Invalid Data Received From HVAC Control Module.
Common causes: Common causes include Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module, HVAC Control Module harness is open or shorted, HVAC 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 1,184

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 U0424 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 Heating, Ventilation, and Air Conditioning (HVAC) Control Module causing its integrity to be questioned.

OBDII Code U0424 Chrysler - Invalid Data Received From HVAC Control Module - AutoCodes.com — U0424 Chrysler Code - Invalid Data Received From HVAC Control Module

What does this mean?

What are the Possible Causes of the DTC U0424 Chrysler?

Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
HVAC Control Module harness is open or shorted
HVAC Control Module circuit poor electrical connection

How to Fix the DTC U0424 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 U0424 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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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 U0424 Chrysler Code

1. What are the common symptoms of OBDII code U0424 in a Chrysler vehicle?

When this code is present, you may experience issues such as erratic HVAC system operation, inoperative climate control functions, or inconsistent temperature regulation inside the vehicle.

2. What does the OBDII code U0424 in a Chrysler indicate?

The code U0424 signifies that the vehicle's onboard diagnostic system has detected invalid data being received from the HVAC (Heating, Ventilation, and Air Conditioning) control module.

3. What are some possible causes of the U0424 code in a Chrysler?

Common causes of the U0424 code include a faulty HVAC control module, damaged wiring or connectors in the HVAC system, software glitches, or communication errors within the vehicle's network.

4. How can the U0424 code in a Chrysler be diagnosed?

Diagnosing the U0424 code typically involves using a professional OBDII scanner to retrieve the code, checking for any other related trouble codes, inspecting the HVAC control module and associated components, and conducting a thorough system diagnosis.

5. Can I repair the U0424 code in my Chrysler at home?

Depending on the underlying cause, some DIY repairs for the U0424 code may include checking and repairing damaged wiring, ensuring proper connections, or resetting the HVAC control module. However, complex repairs may require professional assistance.

6. Is it safe to continue driving with the U0424 code in a Chrysler?

While the U0424 code may not directly affect the drivability of the vehicle, it is crucial to address the issue promptly to prevent potential HVAC malfunctions or complications in the future. It is recommended to have the vehicle inspected by a qualified mechanic.

7. How much does it typically cost to repair the U0424 code in a Chrysler?

The cost of repairing the U0424 code can vary depending on the specific cause of the issue, labor rates in your area, and whether any parts need to be replaced. It is advisable to obtain quotes from different repair shops for an accurate estimate.

8. Can a low battery voltage trigger the U0424 code in a Chrysler?

Yes, a low battery voltage or electrical issues within the vehicle can sometimes lead to communication errors between modules, including the HVAC control module, triggering the U0424 code. Ensuring a properly charged battery is essential.

9. Will resetting the U0424 code make it go away permanently?

Simply resetting the U0424 code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem to prevent recurrence.

10. How long does it take to repair the U0424 code in a Chrysler?

The repair time for the U0424 code can vary based on the diagnosis findings and the complexity of the required repairs. Some cases may be resolved quickly, while others may take more time for thorough troubleshooting and fixing the issue.