AutoCodes - Chevrolet - U3506 CHEVROLET

U3506 CHEVROLET Code - Control Module Supply Circuit 2 High Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|U3506 CHEVROLET code 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 U3506 CHEVROLET code?

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.

|Cost of diagnosing the U3506 CHEVROLET code

Labor: 1.0

The cost of diagnosing the U3506 CHEVROLET code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are U3506 CHEVROLET code possible symptoms?

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

|U3506 CHEVROLET code 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 U3506 Chevrolet - Control Module Supply Circuit 2 High Voltage -

|Need more information with the U3506 CHEVROLET code?

Need more information on how to fix the U3506 CHEVROLET code?
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|Need help with a U3506 CHEVROLET code?

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|U3506 CHEVROLET code 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 U3506 Chevrolet code? Have you replaced any parts?
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Repair Importance Level: 3
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Repair Difficulty Level: 3
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