AutoCodes – Chevrolet – U0447 Chevrolet

U0447 Chevrolet Code - Invalid Data Received From Central Gateway 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 Central Gateway Control Module, Central Gateway Control Module harness is open or shorted, Central Gateway 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: U0447 Chevrolet indicates Invalid Data Received From Central Gateway Control Module.
Common causes: Common causes include Faulty Central Gateway Control Module, Central Gateway Control Module harness is open or shorted, Central Gateway 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 4,698

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0447 Chevrolet 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 Central Gateway Control Module causing its integrity to be questioned.

OBDII Code U0447 Chevrolet - Invalid Data Received From Central Gateway Control Module - AutoCodes.com — U0447 Chevrolet Code - Invalid Data Received From Central Gateway Control Module

What does this mean?

What are the Possible Causes of the DTC U0447 Chevrolet?

Faulty Central Gateway Control Module
Central Gateway Control Module harness is open or shorted
Central Gateway Control Module circuit poor electrical connection

How to Fix the DTC U0447 Chevrolet?

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 U0447 Chevrolet 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 U0447 Chevrolet Code

1. What are common symptoms of OBDII code U0447 in a Chevrolet?

- Common symptoms include issues with the vehicle's central gateway control module, such as warning lights on the dashboard, communication glitches with other modules, and possible loss of certain vehicle functions.

2. What does the OBDII code U0447 in a Chevrolet indicate?

- This code indicates that the engine control module (ECM) has detected invalid data coming from the central gateway control module.

3. What are possible causes of the U0447 code in a Chevrolet?

- Possible causes include loose or corroded wiring connections, a faulty central gateway control module, software issues, or a malfunction in the ECM.

4. How can I diagnose the U0447 code in my Chevrolet?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the code, checking for any additional codes present, inspecting wiring connections, and possibly performing a software update.

5. Can I continue driving my Chevrolet with the U0447 code present?

- It is not recommended to drive the vehicle with this code present, as it can lead to further communication issues between control modules and potential safety hazards.

6. How can I repair the U0447 code in my Chevrolet?

- Repair options may include repairing or replacing damaged wiring connections, replacing the central gateway control module if necessary, updating software, or seeking assistance from a professional mechanic.

7. Are there any DIY repair tips for the U0447 code in a Chevrolet?

- While some basic checks like inspecting wiring connections can be done DIY, complex repairs involving control modules and software updates are best left to professional technicians.

8. How much does it cost to fix the U0447 code in a Chevrolet?

- Repair costs can vary depending on the specific cause of the code, parts needed for replacement, and labor charges. It's recommended to get a diagnostic assessment from a trusted mechanic for an accurate estimate.

9. Can the U0447 code be triggered by a simple electrical issue?

- Yes, loose or corroded wiring connections can cause the invalid data transmission that triggers the U0447 code in a Chevrolet.

10. Is it possible for the U0447 code to reoccur after repairs?

- If the root cause of the code is not properly addressed during repairs, it is possible for the U0447 code to reoccur. Thorough diagnosis and repair are essential to prevent this issue.