AutoCodes – Volkswagen – P1186 Volkswagen

P1186 Volkswagen Code - Linear Oxygen Sensor Common Ground Short To Positive

Quick Answer

P1186 Volkswagen indicates Linear Oxygen Sensor Common Ground Short To Positive. Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1186 Volkswagen indicates Linear Oxygen Sensor Common Ground Short To Positive.
Common causes: Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,402

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
Comments
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Code P1186 Volkswagen Description

OBDII Code P1186 Volkswagen - Linear Oxygen Sensor Common Ground Short To Positive - AutoCodes.com — P1186 Volkswagen Code - Linear Oxygen Sensor Common Ground Short To Positive

What does this mean?

What are the Possible Causes of the DTC P1186 Volkswagen?

Faulty O2 Sensor
O2 Sensor harness is open or shorted
O2 Sensor circuit poor electrical connection

How to Fix the DTC P1186 Volkswagen?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1186 Volkswagen code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.