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

- Code Popularity: 360 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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Code U3018 Buick 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 U3018 Buick?

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 Buick have Safety Recalls? → Check here

What is the Cost to Diagnose the Code U3018 Buick?

Labor: 1.0

The cost of diagnosing the U3018 Buick 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 U3018 Buick Possible Symptoms?

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

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

Need More Information on the U3018 Buick Code?

Need more information on how to fix the U3018 Buick code? Get Access to Factory Service Manuals

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Code U3018 Buick comments

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