AutoCodes – Buick – U0422 Buick

U0422 Buick 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 Buick 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 6,454

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

What does this mean?

What are the Possible Causes of the DTC U0422 Buick?

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 Buick?

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 Buick 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 Buick Code

1. What are the common symptoms of an OBDII code U0422 in a Buick related to invalid data received from the body control module?

- Common symptoms include issues with power windows, door locks, lighting controls, and other body control functions.

2. What are some possible causes of the U0422 code indicating invalid data received from the body control module in a Buick?

- Possible causes include a faulty body control module, wiring issues, software glitches, or a communication network problem.

3. How can I diagnose the U0422 code in my Buick related to invalid data from the body control module?

- Diagnosing the U0422 code involves using an OBDII scanner to retrieve the specific details of the error code and then inspecting the body control module and related wiring for any visible issues.

4. Can the U0422 code in a Buick be cleared/reset, or does it require repair to resolve the issue?

- The U0422 code can be cleared/reset using an OBDII scanner, but it is recommended to address the underlying cause to prevent the code from reoccurring.

5. Are there any DIY repair tips for fixing the U0422 code in a Buick indicating invalid data from the body control module?

- DIY repair tips may include checking and cleaning the body control module connectors, ensuring proper grounding, and inspecting the wiring harness for any damage.

6. Is it safe to continue driving my Buick with the U0422 code related to invalid data from the body control module?

- It is not recommended to drive the vehicle with unresolved U0422 code issues as it may affect the proper functioning of critical body control features.

7. How much does it typically cost to repair the U0422 code in a Buick caused by invalid data from the body control module?

- The cost of repairing the U0422 code can vary depending on the specific cause, but it may involve expenses for parts replacement, labor, and diagnostic fees.

8. Can a software update fix the U0422 code in a Buick related to invalid data received from the body control module?

- In some cases, a software update provided by the manufacturer may address the U0422 code issue by resolving communication or programming errors.

9. Will the U0422 code in a Buick reset itself after the issue is fixed, or does it need to be cleared manually?

- After resolving the underlying cause of the U0422 code, it may reset itself over time as the vehicle's systems reestablish proper communication. However, manual clearing with an OBDII scanner is recommended.

10. How can I prevent the U0422 code from appearing again in my Buick after it has been repaired?

- To prevent the U0422 code from reoccurring, it is essential to ensure proper maintenance of the body control module, address any wiring or connection issues promptly, and follow the manufacturer's recommended service schedule.