AutoCodes - OBDII Code List - P1139 BUICK

P1139 BUICK - HO2S Insufficient Switching Bank 1 Sensor 2

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3    What is this?
Table of contents

P1139 BUICK Possible Causes

  • Faulty HO2S Bank 1 Sensor 2
  • HO2S Bank 1 Sensor 2 harness is open or shorted
  • HO2S Bank 1 Sensor 2 circuit poor electrical connection

How do I fix code P1139 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.
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Cost of diagnosing the P1139 BUICK code

Labor: 1.0

The cost of diagnosing the P1139 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.

Possible Symptoms

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

P1139 BUICK Description

HO2S Insufficient Switching Bank 1 Sensor 2 is the generic description for the P1139 Buick code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information about the P1139 Buick OBDII code.

Still have questions? Please post your question on our Comments Section below for more information.

OBDII Code P1139 Buick - HO2S Insufficient Switching Bank 1 Sensor 2 - AutoCodes.com

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