AutoCodes – GMC – U3006 GMC

U3006 GMC Code - Control Module Input Power 1

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. 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: U3006 GMC indicates Control Module Input Power 1.
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.

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Code Popularity 2,752

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 18, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U3006 GMC Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. With the ignition is ON, the Diagnostic Trouble Code (DTC) will set when the control module or sensor detects a system voltage of less than approximately 9 V for approximately 5 s.

OBDII Code U3006 GMC - Control Module Input Power 1 - AutoCodes.com — U3006 GMC Code - Control Module Input Power 1

What does this mean?

What are the Possible Causes of the DTC U3006 GMC?

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

How to Fix the DTC U3006 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 U3006 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.

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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 U3006 GMC Code

1. What are the common symptoms of OBDII code U3006 GMC?

The common symptoms of OBDII code U3006 GMC, Control Module Input Power 1, include issues with starting the vehicle, engine stalling, and various electrical malfunctions.

2. What can cause the U3006 GMC code to appear?

The U3006 GMC code may appear due to a faulty control module, damaged wiring or connectors, a drained battery, or issues with the power supply to the control module.

3. How can I diagnose the U3006 GMC code?

Diagnosing the U3006 GMC code involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors for any visible damage, and testing the power supply to the control module.

4. What are some repair tips for resolving the U3006 GMC code?

Repair tips for resolving the U3006 GMC code include checking and repairing any damaged wiring or connectors, ensuring a proper power supply to the control module, and resetting the code after repairs are made.

5. Can a drained battery cause the U3006 GMC code to trigger?

Yes, a drained or weak battery can cause the U3006 GMC code to trigger as insufficient power supply to the control module can lead to communication errors and malfunctions.

6. Is it safe to continue driving with the U3006 GMC code present?

It is not recommended to continue driving with the U3006 GMC code present, as it can lead to further electrical issues, engine stalling, or potential safety hazards on the road.

7. How much does it typically cost to repair the U3006 GMC code?

The cost to repair the U3006 GMC code can vary depending on the underlying cause, but it may range from a simple wiring repair to a control module replacement, costing anywhere from $100 to $500 or more.

8. Can I reset the U3006 GMC code myself?

Yes, you can reset the U3006 GMC code yourself using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the code. However, it is important to address the root cause of the code to prevent it from reoccurring.

9. Will the U3006 GMC code cause my vehicle to fail an emissions test?

Yes, the U3006 GMC code can cause your vehicle to fail an emissions test, as it indicates a problem with the control module input power, which can affect the vehicle's emissions control system.

10. How urgent is it to address the U3006 GMC code?

It is recommended to address the U3006 GMC code as soon as possible to prevent further damage to the vehicle's electrical system, engine performance issues, and potential safety risks while driving.