Hyundai Kia Error Code P1150: How to Fix It

Medium 45-90 minutes Low Severity Verified June 2026
Error Code
P1150
Brand
Hyundai Kia
Product Type
automotive
Severity
Low
DIY Difficulty
Medium
Estimated Fix Time
45-90 minutes
The P1150 error code in Hyundai and Kia vehicles indicates a problem with the barometric pressure sensor circuit. This sensor measures atmospheric pressure to help the engine control module adjust fuel delivery and ignition timing for optimal performance.
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Tools You'll Need

How to Fix Error Code P1150

  1. Safety Preparation

    Never work on a hot engine as components can cause severe burns
  2. Retrieve Diagnostic Codes

  3. Locate the Barometric Pressure Sensor

  4. Inspect Electrical Connections

    Disconnect the battery negative terminal before cleaning electrical connections
  5. Check Sensor Wiring

  6. Test Sensor Operation

  7. Replace Sensor if Necessary

  8. Clear Codes and Test Drive

Parts You May Need

Barometric pressure sensor
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Electrical connector
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Wiring harness section
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Barometric pressure sensor
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Electrical connector
Check Price on Amazon
Wiring harness section
Check Price on Amazon
Barometric pressure sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Wiring harness section
Check Price on Amazon
Barometric pressure sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Wiring harness section
Check Price on Amazon
Barometric pressure sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Wiring harness section
Check Price on Amazon
Barometric pressure sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Wiring harness section
Check Price on Amazon
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When to Call a Professional

Call a professional mechanic if you're uncomfortable working with electrical systems, if multiple sensors are failing simultaneously, or if the ECM requires reprogramming. Also seek professional help if the wiring harness needs extensive repair or if you lack the proper diagnostic equipment.

Frequently Asked Questions

Can I drive with P1150 code?
Yes, you can typically drive with P1150, but the engine may run poorly, have reduced fuel economy, or fail emissions testing. Address the issue promptly to prevent potential engine damage.
What causes P1150 in Hyundai Kia vehicles?
Common causes include a faulty barometric pressure sensor, damaged wiring harness, corroded electrical connections, or rarely, a defective ECM. Environmental factors like extreme temperature changes can also trigger this code.
How much does it cost to fix P1150?
DIY repair costs $50-150 for a new sensor. Professional repair typically ranges from $200-400 including parts, labor, and diagnostic fees. Costs vary by model year and location.
Is P1150 the same as P0105?
No, P1150 is manufacturer-specific for barometric pressure issues, while P0105 is a generic code for manifold absolute pressure sensor problems. They may relate to the same physical sensor but indicate different circuit problems.
Will P1150 cause my car to fail inspection?
Yes, P1150 will typically cause your vehicle to fail emissions inspection since it's an active diagnostic trouble code. The code must be resolved and the system readiness monitors must complete before passing inspection.