Engine-Codes - Chevrolet - U3018 CHEVROLET

U3018 CHEVROLET Code - Control Module Supply Circuit 1-2 Not Plausible

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|U3018 CHEVROLET code possible causes

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

|How is the U3018 CHEVROLET code repair?

Start by checking 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.

|What is the cost to diagnose the U3018 CHEVROLET code

Labor: 1.0

The cost to diagnose the U3018 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 U3018 CHEVROLET code possible symptoms?

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

|What is U3018 CHEVROLET code meaning?

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.

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