AutoCodes – Chevrolet – U3508 Chevrolet

U3508 Chevrolet Code - Control Module Input Power 'C' Circuit Range/Performance

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: U3508 Chevrolet indicates Control Module Input Power 'C' Circuit Range/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.

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Code Popularity 580

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 U3508 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 U3508 Chevrolet - Control Module Input Power 'C' Circuit Range/Performance - AutoCodes.com — U3508 Chevrolet Code - Control Module Input Power 'C' Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC U3508 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 U3508 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 U3508 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 U3508 Chevrolet code?

Need more information on how to fix the U3508 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U3508 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 U3508 Chevrolet Code

1. What are the common symptoms of OBDII code U3508 in a Chevrolet?

- Common symptoms of this code may include rough engine performance, stalling, poor acceleration, or the illumination of the check engine light.

2. What could be the potential causes of the Control Module Input Power 'C' Circuit Range/Performance code in a Chevrolet?

- Possible causes may include a faulty control module, damaged wiring or connectors, low battery voltage, or issues with the power supply to the control module.

3. How can I diagnose the U3508 code in my Chevrolet?

- Diagnosing this code typically involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors related to the control module, and testing the power supply to the module.

4. Are there any DIY repair tips for addressing the U3508 code in a Chevrolet?

- DIY repair tips may include checking and repairing any damaged wiring or connectors, ensuring the battery voltage is within the specified range, and resetting the code to see if it reappears.

5. Can driving with the U3508 code present cause further damage to my Chevrolet?

- Continuing to drive with this code present may lead to further performance issues or potential damage to other components, so it is advisable to address the issue promptly.

6. How much does it typically cost to repair the Control Module Input Power 'C' Circuit Range/Performance code in a Chevrolet?

- The cost of repair can vary depending on the specific cause of the code, but it may range from a few hundred dollars for simple fixes to over a thousand dollars for more complex issues.

7. Is it safe to continue driving my Chevrolet with the check engine light on due to the U3508 code?

- It is generally not recommended to drive with the check engine light on, as it indicates a potential issue that could affect the performance and safety of your vehicle.

8. Will disconnecting the battery reset the U3508 code in my Chevrolet?

- Disconnecting the battery may reset the code temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the vehicle is driven again.

9. How long does it take to repair the Control Module Input Power 'C' Circuit Range/Performance code in a Chevrolet?

- The repair time can vary depending on the complexity of the issue, but it may take anywhere from a few hours to a full day for diagnosis and repair.

10. Can a mechanic reset the U3508 code without fixing the underlying issue in my Chevrolet?

- While a mechanic can clear the code, it is important to address the root cause of the issue to prevent the code from reappearing and potentially causing further problems.