AutoCodes – Chevrolet – U250D Chevrolet

U250D Chevrolet Code - Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2

Quick Answer

Some devices are constantly receiving information from other devices through serial data communication network. Common causes include Reprogram Transmission Control Module (TCM), Faulty Transmission Control Module, Transmission Control Module 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: U250D Chevrolet indicates Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2.
Common causes: Common causes include Reprogram Transmission Control Module (TCM), Faulty Transmission Control Module, Transmission Control Module 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.

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Code Popularity 646

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
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Code U250D Chevrolet 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 Transmission Control Module (TCM) is not configured properly.

OBDII Code U250D Chevrolet - Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2 - AutoCodes.com — U250D Chevrolet Code - Invalid Data Received From Transmission Control Module On Chassis Control Module LIN Bus 2

What does this mean?

What are the Possible Causes of the DTC U250D Chevrolet?

Reprogram Transmission Control Module (TCM)
Faulty Transmission Control Module
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC U250D 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 U250D 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 U250D Chevrolet Code

1. What are the common symptoms of OBDII code U250D in a Chevrolet?

- Common symptoms include erratic shifting, transmission slippage, warning lights on the dashboard, and loss of communication between the transmission and chassis control modules.

2. What could cause the OBDII code U250D to appear in a Chevrolet?

- The code U250D typically appears due to issues with the communication between the transmission control module and chassis control module on the LIN Bus 2 network.

3. How can I diagnose the OBDII code U250D in my Chevrolet?

- Diagnosis involves using a diagnostic scanner to retrieve the code, checking for any loose or damaged wiring on the LIN Bus 2 network, and testing the communication between the modules.

4. Are there any DIY repair tips for fixing the OBDII code U250D in a Chevrolet?

- DIY repair tips may include checking and repairing any damaged wiring, ensuring proper connections between modules, and resetting the fault code to see if it reoccurs.

5. Can a malfunctioning sensor cause the OBDII code U250D in a Chevrolet?

- Yes, a malfunctioning sensor related to the transmission or chassis control modules can potentially trigger the U250D code due to communication errors.

6. Is it safe to continue driving with the OBDII code U250D in a Chevrolet?

- It is not recommended to continue driving with the U250D code present, as it can lead to further transmission issues and potential safety hazards. It's best to address the problem promptly.

7. How much does it typically cost to repair the OBDII code U250D in a Chevrolet at a professional auto repair shop?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $200 to $500 or more, including parts and labor.

8. Can a software update fix the OBDII code U250D in a Chevrolet?

- In some cases, a software update provided by the manufacturer may resolve the communication issues causing the U250D code. It's worth checking with a dealership or knowledgeable mechanic.

9. What is the potential risk of ignoring the OBDII code U250D in a Chevrolet?

- Ignoring the U250D code can lead to more severe transmission problems, reduced vehicle performance, and potential damage to other components. It's important to address the issue promptly.

10. How long does it typically take to repair the OBDII code U250D in a Chevrolet?

- The repair time can vary based on the specific diagnosis and parts availability, but it may take several hours to a full day for a professional technician to troubleshoot and fix the U250D code.