AutoCodes – Chevrolet – U2099 2015 Chevrolet Silverado

U2099 2015 Chevrolet Silverado Code - High Speed Communication Enable Circuit

Quick Answer

The Body Control Module (BCM) activates the ignition circuit, when the ignition key is in ACC, ON or START. 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: U2099 2015 Chevrolet Silverado indicates High Speed Communication Enable Circuit.
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.

Save to My Repairs My Repairs

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

Code Popularity 316

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 Jul 24, 2023

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 U2099 2015 Chevrolet Silverado Description

The Body Control Module (BCM) activates the ignition circuit, when the ignition key is in ACC, ON or START. The ignition circuit wakes up the devices for serial data bus communication. The Diagnostic Trouble Code (DTC) will set when the BCM senses a short to ground on the ignition circuit.

OBDII Code U2099 2015 Chevrolet Silverado - High Speed Communication Enable Circuit - AutoCodes.com — U2099 2015 Chevrolet Silverado Code - High Speed Communication Enable Circuit

What does this mean?

What are the Possible Causes of the DTC U2099 2015 Chevrolet Silverado?

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 U2099 2015 Chevrolet Silverado?

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 U2099 2015 Chevrolet Silverado 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 U2099 2015 Chevrolet Silverado code?

Need more information on how to fix the U2099 2015 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U2099 2015 Chevrolet Silverado 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 U2099 2015 Chevrolet Silverado Code

1. What does the OBDII code U2099 on a 2015 Chevrolet Silverado mean?

The code U2099 indicates a problem with the High Speed Communication Enable Circuit in the vehicle.

2. What are some common symptoms of the U2099 code in a 2015 Chevrolet Silverado?

Common symptoms may include issues with the vehicle's communication systems, such as the inability to access certain modules or functions.

3. What are some possible causes of the U2099 code in a 2015 Chevrolet Silverado?

Causes of the U2099 code can include wiring issues, a faulty communication module, or a problem with the vehicle's network communication system.

4. How can I diagnose the U2099 code in my 2015 Chevrolet Silverado?

Diagnosing the U2099 code typically involves using a scan tool to check for communication errors and inspecting the wiring and connectors related to the High Speed Communication Enable Circuit.

5. Can I still drive my 2015 Chevrolet Silverado with the U2099 code present?

It is not recommended to drive the vehicle with the U2099 code present, as it may affect the communication systems and overall performance of the vehicle.

6. How can I repair the U2099 code in my 2015 Chevrolet Silverado?

Repairing the U2099 code may involve fixing any wiring issues, replacing faulty communication modules, or addressing problems with the network communication system.

7. Is the U2099 code in a 2015 Chevrolet Silverado easy to repair on my own?

Repairing the U2099 code may require advanced diagnostic skills and tools, so it is recommended to consult a professional mechanic for accurate diagnosis and repair.

8. Are there any specific components I should check first when dealing with the U2099 code in my 2015 Chevrolet Silverado?

Start by checking the wiring harness, connectors, and communication modules related to the High Speed Communication Enable Circuit for any visible damage or corrosion.

9. Will resetting the trouble codes make the U2099 code in my 2015 Chevrolet Silverado disappear?

Simply resetting the trouble codes may temporarily clear the U2099 code, but the underlying issue causing the code will still need to be addressed for a permanent solution.

10. How much can I expect to pay to fix the U2099 code in my 2015 Chevrolet Silverado?

The cost of repairing the U2099 code can vary depending on the specific cause of the issue, but it is advisable to budget for diagnostic fees, parts replacement, and labor costs.