AutoCodes – GMC – U3507 GMC

U3507 GMC Code - Control Module Input Power 'B' Circuit Intermittent/Erratic

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: U3507 GMC indicates Control Module Input Power 'B' Circuit Intermittent/Erratic.
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 705

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 U3507 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 U3507 GMC - Control Module Input Power 'B' Circuit Intermittent/Erratic - AutoCodes.com — U3507 GMC Code - Control Module Input Power 'B' Circuit Intermittent/Erratic

What does this mean?

What are the Possible Causes of the DTC U3507 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 U3507 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 U3507 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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Need more information on how to fix the U3507 GMC code? Get Access to Factory Service Manuals

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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 U3507 GMC Code

1. What are the common symptoms of OBDII code U3507 GMC?

- Common symptoms include intermittent or erratic power loss, rough running engine, stalling, and various electrical issues in the vehicle.

2. What causes the OBDII code U3507 GMC to trigger?

- The code is typically triggered by a faulty control module, damaged wiring or connectors, loose connections, or a failing power supply to the control module.

3. How serious is the U3507 GMC fault code?

- The code indicates an intermittent or erratic power supply issue to the control module, which can affect the vehicle's performance and reliability. It is recommended to address this issue promptly.

4. How can I diagnose the U3507 GMC code?

- Diagnosis involves inspecting the control module, checking the wiring and connectors for damage, testing the power supply voltage, and performing a thorough inspection of the related components.

5. Can I still drive my vehicle with the U3507 GMC fault code?

- It is not advisable to drive the vehicle with an intermittent power supply issue to the control module, as it can lead to performance issues, stalling, or potential damage to other electrical components.

6. How can I repair the U3507 GMC fault code?

- Repair options include repairing or replacing damaged wiring and connectors, ensuring proper connection to the control module, and addressing any power supply issues identified during diagnosis.

7. Will resetting the fault code resolve the issue?

- Resetting the fault code may temporarily clear the error code, but it will not fix the underlying issue causing the intermittent or erratic power supply to the control module.

8. Can extreme weather conditions cause the U3507 GMC fault code?

- Yes, extreme weather conditions such as extreme heat or cold can potentially affect the electrical components in the vehicle, leading to intermittent power supply issues and triggering the fault code.

9. How long does it take to repair the U3507 GMC fault code?

- The repair time can vary depending on the exact cause of the issue. It may take a few hours to a full day to diagnose and repair the intermittent or erratic power supply problem.

10. Can a DIY enthusiast fix the U3507 GMC fault code?

- While some DIY enthusiasts may have the skills to diagnose and repair the issue, it is recommended to seek professional help, especially when dealing with electrical components and control modules.