AutoCodes – Chevrolet – U3012 2018 Chevrolet Silverado

U3012 2018 Chevrolet Silverado Code - Control Module Improper Wake-Up Performance

Quick Answer

The internal fault detection is handled inside the device. Common causes include Faulty Control Module setting the code, Control Module harness is open or shorted, 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: U3012 2018 Chevrolet Silverado indicates Control Module Improper Wake-Up Performance.
Common causes: Common causes include Faulty Control Module setting the code, Control Module harness is open or shorted, 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 182

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 U3012 2018 Chevrolet Silverado Description

The internal fault detection is handled inside the device. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved. The Diagnostic Trouble Code (DTC) will set when the device has detected an internal malfunction.

OBDII Code U3012 2018 Chevrolet Silverado - Control Module Improper Wake-Up Performance - AutoCodes.com — U3012 2018 Chevrolet Silverado Code - Control Module Improper Wake-Up Performance

What does this mean?

What are the Possible Causes of the DTC U3012 2018 Chevrolet Silverado?

Faulty Control Module setting the code
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC U3012 2018 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 U3012 2018 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 U3012 2018 Chevrolet Silverado code?

Need more information on how to fix the U3012 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U3012 2018 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 U3012 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code U3012 in a 2018 Chevrolet Silverado?

The common symptoms of OBDII code U3012 in a 2018 Chevrolet Silverado include issues with starting the vehicle, intermittent loss of power, and potential stalling.

2. What can cause the Control Module Improper Wake-Up Performance code (U3012) in a 2018 Chevrolet Silverado?

The U3012 code in a 2018 Chevrolet Silverado is typically caused by a faulty control module, wiring issues, or a weak battery.

3. How can I diagnose the Control Module Improper Wake-Up Performance code (U3012) in my 2018 Chevrolet Silverado?

Diagnosing the U3012 code involves using an OBDII scanner to retrieve the code, checking the battery voltage, inspecting the wiring for any damage, and testing the control modules for proper operation.

4. Can a weak battery trigger the U3012 code in a 2018 Chevrolet Silverado?

Yes, a weak or failing battery can trigger the U3012 code in a 2018 Chevrolet Silverado as it may not provide enough power for the control modules to wake up properly.

5. What are some repair tips for fixing the U3012 code in a 2018 Chevrolet Silverado?

Repair tips for the U3012 code include checking and replacing the battery if necessary, inspecting and repairing any damaged wiring, and reprogramming or replacing the control modules if needed.

6. Is it safe to continue driving my 2018 Chevrolet Silverado with the U3012 code present?

It is not recommended to continue driving your 2018 Chevrolet Silverado with the U3012 code present as it can lead to potential performance issues and safety concerns.

7. How much does it typically cost to repair the Control Module Improper Wake-Up Performance code (U3012) in a 2018 Chevrolet Silverado?

The cost to repair the U3012 code in a 2018 Chevrolet Silverado can vary depending on the underlying cause, but it may range from a few hundred to a few thousand dollars.

8. Can resetting the code clear the U3012 error in my 2018 Chevrolet Silverado?

Resetting the code may temporarily clear the U3012 error, but if the underlying issue such as a faulty control module or wiring problem is not addressed, the code is likely to reappear.

9. How long does it take to repair the U3012 code in a 2018 Chevrolet Silverado?

The time it takes to repair the U3012 code in a 2018 Chevrolet Silverado can vary depending on the diagnosis and the extent of the repairs needed, but it typically ranges from a few hours to a full day.

10. Are there any recalls related to the U3012 code in 2018 Chevrolet Silverado models?

It is advisable to check with Chevrolet or the National Highway Traffic Safety Administration (NHTSA) for any recalls related to the U3012 code in 2018 Chevrolet Silverado models.