AutoCodes – GMC – U0422 GMC

U0422 GMC Code - Invalid Data Received From Body 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 Body Control Module (BCM), Body Control Module harness is open or shorted, Body 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: U0422 GMC indicates Invalid Data Received From Body Control Module.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module harness is open or shorted, Body 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 17,162

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 U0422 GMC 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 Body Control Module (BCM) causing its integrity to be questioned.

OBDII Code U0422 GMC - Invalid Data Received From Body Control Module - AutoCodes.com — U0422 GMC Code - Invalid Data Received From Body Control Module

What does this mean?

What are the Possible Causes of the DTC U0422 GMC?

Faulty Body Control Module (BCM)
Body Control Module harness is open or shorted
Body Control Module circuit poor electrical connection

How to Fix the DTC U0422 GMC?

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 U0422 GMC 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 U0422 GMC Code

1. What are the common symptoms of OBDII code U0422 GMC?

The common symptoms include dashboard warning lights, issues with power windows or locks, malfunctioning interior lights, and problems with the vehicle's lighting system.

2. What are the possible causes of the U0422 GMC code?

The code U0422 typically indicates a communication error between the body control module and other modules in the vehicle network. Possible causes include wiring issues, a faulty body control module, or problems with other control modules.

3. How can I diagnose the U0422 code on my GMC vehicle?

Diagnosing the U0422 code usually involves using a professional OBDII scanner to retrieve the specific error codes stored in the vehicle's computer system. It is recommended to seek assistance from a qualified mechanic for a thorough diagnosis.

4. Can I still drive my vehicle with the U0422 code present?

It is generally not recommended to drive the vehicle with the U0422 code as it may lead to further electrical issues or malfunctions. It is best to have the issue diagnosed and repaired as soon as possible.

5. How can I repair the U0422 GMC code?

Repairing the U0422 code often involves checking and repairing any wiring issues, ensuring all control modules are functioning correctly, and potentially replacing the body control module if it is found to be faulty.

6. Is the U0422 code specific to GMC vehicles only?

While the U0422 code is commonly associated with GMC vehicles, it is not exclusive to them. It may also appear in other vehicle makes and models that use similar body control module communication systems.

7. Can a DIY enthusiast fix the U0422 code at home?

While some basic diagnostics can be done at home, repairing the U0422 code usually requires specialized tools and expertise. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. Will resetting the error codes make the U0422 code go away?

Resetting the error codes may temporarily clear the U0422 code, but if the underlying issue is not addressed, the code is likely to reappear. It is essential to diagnose and fix the root cause of the problem.

9. Are there any recalls or technical service bulletins related to the U0422 code in GMC vehicles?

It is advisable to check with the manufacturer or authorized dealerships for any recalls or technical service bulletins related to the U0422 code in GMC vehicles. They may provide valuable information or assistance with the issue.

10. How much does it typically cost to repair the U0422 code on a GMC vehicle?

The cost of repairing the U0422 code can vary depending on the underlying cause of the issue, labor rates, and parts needed for the repair. It is recommended to obtain quotes from reputable mechanics or dealerships for an accurate estimate.