OBD-II Body Error Code B0150: How to Fix It

Easy 30-60 minutes Low Severity Verified June 2026
Error Code
B0150
Brand
OBD-II Body
Product Type
automotive
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
30-60 minutes
Error code B0150 indicates a malfunction in your vehicle's outside air temperature sensor, which provides climate control and engine management systems with ambient temperature data. While this is typically a low-severity issue that won't prevent driving, it can affect your climate control accuracy and fuel efficiency.
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Tools You'll Need

How to Fix Error Code B0150

  1. Connect OBD2 Scanner and Verify Code

    Ensure the vehicle is parked on level ground with the parking brake engaged before performing any diagnostics.
  2. Locate the Outside Air Temperature Sensor

  3. Inspect Sensor and Wiring

    Do not use water or cleaning solvents directly on electrical components.
  4. Test Sensor Resistance

    Ensure the engine is completely cool before testing to get accurate readings.
  5. Check Voltage Supply

  6. Replace Sensor if Faulty

    Handle the new sensor carefully and avoid touching the sensing element to prevent damage.
  7. Clear Codes and Test

Parts You May Need

Outside air temperature sensor
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Electrical connector
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Outside air temperature sensor
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Electrical connector
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Outside air temperature sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Outside air temperature sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Outside air temperature sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
Outside air temperature sensor
Check Price on Amazon
Electrical connector
Check Price on Amazon
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When to Call a Professional

Call a professional mechanic if you're uncomfortable working with electrical components, if the sensor location is difficult to access, or if multiple related codes appear indicating a more complex climate control system issue.

Frequently Asked Questions

Can I drive with error code B0150?
Yes, you can typically drive safely with code B0150 as it's a low-severity error. However, your climate control may not function optimally, and fuel economy could be slightly affected.
How much does it cost to fix B0150?
If you replace the sensor yourself, expect to pay $20-50 for the part. Professional repair typically costs $100-200 including labor, depending on sensor location and accessibility.
What causes outside air temperature sensor failure?
Common causes include road salt corrosion, physical damage from road debris, age-related sensor degradation, and moisture intrusion into the electrical connections.
How often should the outside air temperature sensor be replaced?
These sensors typically last 8-12 years or 100,000+ miles. They don't require regular replacement unless they fail or show signs of damage or corrosion.