AutoCodes – GMC – U250B GMC

U250B GMC Code - Invalid Data Received From Active Safety Control Module 1 On Chassis Expansion CAN Bus

Quick Answer

Some devices are constantly receiving information from other devices through serial data communication network. Common causes include Reprogram Active Safety Control Module 1, Faulty Active Safety Control Module 1, Active Safety Control Module 1 harness is open or shorted. 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: U250B GMC indicates Invalid Data Received From Active Safety Control Module 1 On Chassis Expansion CAN Bus.
Common causes: Common causes include Reprogram Active Safety Control Module 1, Faulty Active Safety Control Module 1, Active Safety Control Module 1 harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 525

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 Jun 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code U250B GMC Description

Some devices are constantly receiving information from other devices through serial data communication network. The invalid data code will be set when a receiving device detects a discrepancy in the information it receives from another device causing its integrity to be questioned. The symptom byte listed in the Diagnostic Trouble Code (DTC) Descriptor is for engineering reference only. No external circuit diagnosis is involved. The DTC will set if the Active Safety Control Module 1 is not configured properly.

OBDII Code U250B GMC - Invalid Data Received From Active Safety Control Module 1 On Chassis Expansion CAN Bus - AutoCodes.com — U250B GMC Code - Invalid Data Received From Active Safety Control Module 1 On Chassis Expansion CAN Bus

What does this mean?

What are the Possible Causes of the DTC U250B GMC?

Reprogram Active Safety Control Module 1
Faulty Active Safety Control Module 1
Active Safety Control Module 1 harness is open or shorted
Active Safety Control Module 1 circuit poor electrical connection

How to Fix the DTC U250B 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 U250B 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.

Need more information about the U250B GMC code?

Need more information on how to fix the U250B GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U250B GMC 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 U250B GMC Code

1. What are common symptoms of OBDII code U250B in a GMC vehicle?

- Common symptoms include issues with active safety systems, such as malfunctioning ABS, stability control, or collision avoidance features.

2. What can cause the OBDII code U250B in a GMC to trigger?

- This code is typically triggered by a communication error between the active safety control module and the chassis expansion CAN bus.

3. How serious is the U250B code in a GMC vehicle?

- The U250B code should be addressed promptly as it indicates a problem with critical safety systems, affecting the vehicle's overall safety performance.

4. How can I diagnose the U250B code in my GMC?

- Diagnosing this code usually involves checking the connections and wiring between the active safety control module and the chassis expansion CAN bus for any faults or damage.

5. Can I continue driving my GMC with the U250B code present?

- It is not recommended to drive the vehicle with the U250B code active, as it may compromise the proper functioning of essential safety features.

6. What are some repair tips for fixing the U250B code in a GMC?

- Repair tips include inspecting and repairing any damaged wiring, ensuring proper connections, and resetting the code to see if it reoccurs.

7. Is it possible to clear the U250B code in a GMC without fixing the underlying issue?

- While you can clear the code temporarily, it is crucial to address the root cause to prevent the code from reappearing and potentially causing safety hazards.

8. How much does it typically cost to repair the U250B code in a GMC?

- Repair costs can vary depending on the extent of the issue, but they may involve wiring repairs, module replacements, or professional diagnostic services.

9. Can a DIY enthusiast fix the U250B code in a GMC at home?

- Depending on your skills and experience with automotive repairs, you may be able to address simple wiring issues related to the U250B code at home. However, complex repairs may require professional assistance.

10. What should I do if the U250B code persists even after repairs?

- If the U250B code persists after repairs, it is advisable to seek assistance from a qualified mechanic or dealership to diagnose the issue thoroughly and ensure proper resolution.