AutoCodes – Chevrolet – U3507 Chevrolet

U3507 Chevrolet 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 Chevrolet 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 794
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 18, 2020
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Code U3507 Chevrolet 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 Chevrolet - Control Module Input Power 'B' Circuit Intermittent/Erratic - AutoCodes.com
U3507 Chevrolet Code - Control Module Input Power 'B' Circuit Intermittent/Erratic

What are the Possible Causes of the DTC U3507 Chevrolet?

  • 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 Chevrolet?

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 Chevrolet 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 U3507 Chevrolet code?

Need more information on how to fix the U3507 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U3507 Chevrolet 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 U3507 Chevrolet Code

1. What are the common symptoms of OBDII code U3507 in a Chevrolet vehicle?

The common symptoms of code U3507 include intermittent or erratic operation of various control modules, dashboard warning lights coming on, and potential issues with engine performance.

2. What causes the Control Module Input Power 'B' Circuit Intermittent/Erratic code in a Chevrolet?

The U3507 code in a Chevrolet is typically caused by damaged wiring or connectors, loose connections, a faulty control module, or a weak power supply to the affected module.

3. How can I diagnose the U3507 code in my Chevrolet?

Diagnosing the U3507 code involves inspecting the wiring and connectors related to the control module, checking for loose connections, testing the power supply to the module, and using a diagnostic scanner to pinpoint the exact cause of the issue.

4. Can I continue driving my Chevrolet with the U3507 code present?

It is not recommended to continue driving your Chevrolet with the U3507 code present, as it can lead to potential issues with the vehicle's performance and safety systems. It is best to address the problem promptly.

5. How can I repair the Control Module Input Power 'B' Circuit Intermittent/Erratic issue in my Chevrolet?

To repair the U3507 code, you may need to repair or replace damaged wiring, tighten loose connections, replace a faulty control module, or ensure a stable power supply to the affected module.

6. Will resetting the trouble codes make the U3507 code disappear permanently?

Resetting the trouble codes may clear the U3507 code temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the problem is detected again.

7. Can a DIY enthusiast fix the U3507 code issue in a Chevrolet?

Depending on your level of automotive knowledge and experience, you may be able to address the U3507 code yourself by following diagnostic procedures, inspecting wiring, and making necessary repairs. However, professional help may be required for complex issues.

8. Is the U3507 code specific to certain Chevrolet models?

The U3507 code related to the Control Module Input Power 'B' Circuit Intermittent/Erratic can occur in various Chevrolet models, including cars, trucks, and SUVs equipped with OBDII systems.

9. How much does it typically cost to repair the U3507 code in a Chevrolet?

The cost of repairing the U3507 code in a Chevrolet can vary depending on the specific cause of the issue, the model of the vehicle, and labor rates. It is advisable to get a diagnosis from a qualified mechanic to determine the exact cost.

10. Can extreme weather conditions trigger the U3507 code in a Chevrolet?

Extreme weather conditions, such as excessive heat or cold, can potentially affect the electrical components in a vehicle and contribute to the occurrence of the U3507 code. It is important to keep the vehicle well-maintained to minimize the impact of weather on its systems.

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