AutoCodes – Subaru – P1150 Subaru

P1150 Subaru Code - Front Oxygen Sensor Heater Circuit High Input

Quick Answer

P1150 Subaru indicates Front Oxygen Sensor Heater Circuit High Input. Common causes include Faulty Front Oxygen Sensor, Front Oxygen Sensor harness is open or shorted, Front Oxygen 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: P1150 Subaru indicates Front Oxygen Sensor Heater Circuit High Input.
Common causes: Common causes include Faulty Front Oxygen Sensor, Front Oxygen Sensor harness is open or shorted, Front Oxygen 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 6,087

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on May 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1150 Subaru Description

OBDII Code P1150 Subaru - Front Oxygen Sensor Heater Circuit High Input - AutoCodes.com — P1150 Subaru Code - Front Oxygen Sensor Heater Circuit High Input

What does this mean?

What are the Possible Causes of the DTC P1150 Subaru?

Faulty Front Oxygen Sensor
Front Oxygen Sensor harness is open or shorted
Front Oxygen Sensor circuit poor electrical connection

How to Fix the DTC P1150 Subaru?

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 P1150 Subaru 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.

Need more information about the P1150 Subaru code?

Need more information on how to fix the P1150 Subaru code? Get Access to Factory Service Manuals

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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.

Frequently Asked Questions about P1150 Subaru Code

1. What are the common symptoms of OBDII code P1150 in a Subaru related to the Front Oxygen Sensor Heater Circuit High Input?

- Common symptoms include poor fuel efficiency, rough idling, engine misfires, and the illumination of the Check Engine Light.

2. What are the possible causes of the Front Oxygen Sensor Heater Circuit High Input code (P1150) in a Subaru?

- Possible causes may include a faulty front oxygen sensor, damaged wiring or connectors in the sensor circuit, or issues with the sensor heater circuit.

3. How can I diagnose the Front Oxygen Sensor Heater Circuit High Input issue (P1150) in my Subaru?

- Diagnose by checking the front oxygen sensor for proper operation, inspecting the wiring and connectors for damage, and testing the heater circuit for continuity.

4. Can driving with the OBDII code P1150 in a Subaru cause further damage to the vehicle?

- Continuing to drive with this code may lead to decreased fuel efficiency, potential engine damage, and emission control issues, so it's best to address the problem promptly.

5. What are some repair tips for fixing the Front Oxygen Sensor Heater Circuit High Input code (P1150) in a Subaru?

- Repair tips include replacing the front oxygen sensor if faulty, repairing any damaged wiring or connectors, and ensuring the sensor heater circuit is functioning correctly.

6. Is it possible to reset the Check Engine Light after fixing the P1150 code in a Subaru?

- Yes, the Check Engine Light can be reset using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.

7. How much does it typically cost to fix the Front Oxygen Sensor Heater Circuit High Input issue (P1150) in a Subaru?

- The cost can vary depending on the cause of the problem, but it may range from $200 to $500 for parts and labor at a repair shop.

8. Can a DIY enthusiast repair the OBDII code P1150 related to the Front Oxygen Sensor Heater Circuit High Input in a Subaru?

- Yes, if you have the necessary tools and knowledge, you can attempt to diagnose and repair this issue yourself, but be cautious when working with electrical components.

9. Will the Front Oxygen Sensor Heater Circuit High Input code (P1150) affect the vehicle's emissions and inspection results?

- Yes, this code can impact the vehicle's emissions output, potentially causing it to fail an emissions test or inspection until the issue is resolved.

10. How often should the front oxygen sensor be replaced in a Subaru to prevent the recurrence of the P1150 code?

- It is recommended to follow the manufacturer's guidelines for sensor replacement, typically around 100,000 miles, to ensure optimal performance and prevent the reoccurrence of the P1150 code.