AutoCodes – Cadillac – U3007 Cadillac

U3007 Cadillac Code - Control Module Supply Circuit 2

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: U3007 Cadillac indicates Control Module Supply Circuit 2.
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 1,017

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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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 U3007 Cadillac 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 U3007 Cadillac - Control Module Supply Circuit 2 - AutoCodes.com — U3007 Cadillac Code - Control Module Supply Circuit 2

What does this mean?

What are the Possible Causes of the DTC U3007 Cadillac?

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

How to Fix the DTC U3007 Cadillac?

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 U3007 Cadillac 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 U3007 Cadillac code?

Need more information on how to fix the U3007 Cadillac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U3007 Cadillac 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 U3007 Cadillac Code

1. How do I know if my Cadillac is experiencing Control Module Supply Circuit 2 issues (OBDII code U3007)?

The most common symptoms include engine stalling, rough idling, and difficulty starting the vehicle.

2. What are the potential causes of OBDII code U3007 in a Cadillac?

Possible causes include a faulty control module, wiring issues, a blown fuse, or a malfunctioning power supply circuit.

3. Can I continue driving my Cadillac with the U3007 code?

It is not recommended to drive your vehicle with this code as it can lead to performance issues and potential damage to the vehicle's components.

4. How can I diagnose and repair the Control Module Supply Circuit 2 problem in my Cadillac?

Consult a professional mechanic for a diagnostic scan to pinpoint the exact cause. Repairs may involve replacing the control module, repairing wiring, or addressing power supply issues.

5. Are there any DIY tips for troubleshooting the U3007 code in a Cadillac?

You can check for loose or damaged wiring, ensure all fuses related to the control module are intact, and inspect the control module for any visible signs of damage.

6. Will resetting the OBDII code U3007 in my Cadillac fix the issue?

Resetting the code may temporarily clear the warning light, but it will not address the underlying problem. It's essential to diagnose and repair the root cause to prevent future issues.

7. Can extreme weather conditions affect the Control Module Supply Circuit 2 in a Cadillac?

Yes, extreme temperatures can impact the performance of electronic components, including the control module and its circuitry, potentially triggering the U3007 code.

8. Is it expensive to repair the Control Module Supply Circuit 2 problem in a Cadillac?

The repair costs can vary depending on the exact cause of the issue. Simple fixes like replacing a fuse may be relatively inexpensive, while replacing a control module can be more costly.

9. How long does it typically take to repair the U3007 code in a Cadillac?

The repair time can range from a quick fix for minor issues to a more extensive repair that may require several hours or even days, depending on the complexity of the problem.

10. Can regular maintenance help prevent the Control Module Supply Circuit 2 issue in a Cadillac?

Routine vehicle inspections, including checking the electrical system and components, can help identify potential issues early and prevent the occurrence of OBDII code U3007.