| All About OBDII Engine Codes
AutoCodes - GMC - U3501 GMC

U3501 GMC Code - Control Module Supply Circuit 1 Low Voltage

- Code Popularity: 619 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

Code U3501 GMC Possible Causes

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

How do I Fix the Code U3501 GMC?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Does your GMC have Safety Recalls? → Check here

What is the Cost to Diagnose the Code U3501 GMC?

Labor: 1.0

The cost of diagnosing the U3501 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

What are Code U3501 GMC Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code U3501 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 U3501 GMC - Control Module Supply Circuit 1 Low Voltage -
U3501 GMC Code - Control Module Supply Circuit 1 Low Voltage

Need More Information on the U3501 GMC Code?

Need more information on how to fix the U3501 GMC code? Get Access to Factory Service Manuals

Need Help with the U3501 GMC Code?

Get the U3501 GMC code diagnosed by a professional: Find a repair shop in your area

Code U3501 GMC comments

Help us improve Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the U3501 GMC code? Have you replaced any parts?
Any information is appreciated. Thanks