AutoCodes – Chevrolet – U0437 Chevrolet

U0437 Chevrolet Code - Invalid Data Received From Differential Control Module Rear

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 Differential Control Module Rear, Differential Control Module Rear harness is open or shorted, Differential Control Module Rear 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: U0437 Chevrolet indicates Invalid Data Received From Differential Control Module Rear.
Common causes: Common causes include Faulty Differential Control Module Rear, Differential Control Module Rear harness is open or shorted, Differential Control Module Rear 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 1,111

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 U0437 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 Differential Control Module Rear causing its integrity to be questioned.

OBDII Code U0437 Chevrolet - Invalid Data Received From Differential Control Module Rear - AutoCodes.com — U0437 Chevrolet Code - Invalid Data Received From Differential Control Module Rear

What does this mean?

What are the Possible Causes of the DTC U0437 Chevrolet?

Faulty Differential Control Module Rear
Differential Control Module Rear harness is open or shorted
Differential Control Module Rear circuit poor electrical connection

How to Fix the DTC U0437 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 U0437 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.

Need more information about the U0437 Chevrolet code?

Need more information on how to fix the U0437 Chevrolet code? Get Access to Factory Service Manuals

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Get the U0437 Chevrolet 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 U0437 Chevrolet Code

1. What are the common symptoms of OBDII code U0437 in a Chevrolet indicating an Invalid Data Received From Differential Control Module Rear?

- Common symptoms include illuminated check engine light, issues with the vehicle's stability control system, and potential drivability issues.

2. What are the possible causes of the U0437 code in a Chevrolet related to the Differential Control Module Rear?

- Potential causes may include faulty wiring or connectors, a malfunctioning differential control module, software issues, or a communication network problem.

3. How can I diagnose the U0437 code in my Chevrolet related to the Differential Control Module Rear?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific fault codes, checking the wiring and connectors for any damage or loose connections, and testing the differential control module for proper functionality.

4. Can I continue driving my Chevrolet with the U0437 code present?

- It is not recommended to continue driving the vehicle with the U0437 code active, as it can affect the vehicle's stability control system and potentially lead to drivability issues or further damage.

5. How can I repair the U0437 code in my Chevrolet caused by an Invalid Data Received From Differential Control Module Rear?

- Repair options may include repairing or replacing damaged wiring or connectors, reprogramming the differential control module, or replacing the module altogether if necessary.

6. Is it possible to reset the U0437 code in a Chevrolet without addressing the underlying issue?

- While you can clear the code using a diagnostic scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring.

7. Can extreme weather conditions trigger the U0437 code in a Chevrolet?

- Yes, extreme weather conditions or water exposure can potentially cause electrical issues leading to the U0437 code related to the Differential Control Module Rear.

8. How much does it typically cost to repair the U0437 code in a Chevrolet at a dealership or repair shop?

- Repair costs can vary depending on the exact cause of the issue and the labor rates in your area, but it's advisable to consult with a professional for an accurate estimate.

9. Are there any recalls or technical service bulletins related to the U0437 code in Chevrolet vehicles?

- It's recommended to check with Chevrolet's official website or contact a dealership to inquire about any recalls or technical service bulletins related to the U0437 code.

10. Can a DIY enthusiast with automotive knowledge repair the U0437 code in a Chevrolet at home?

- Depending on the individual's skill level and access to tools and resources, some DIY enthusiasts may be able to diagnose and repair the U0437 code related to the Differential Control Module Rear at home. However, complex issues may require professional assistance.