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B0049

B0049: Climate Control Temperature Sensor Malfunction

Fix Cost
$100 - $300
Est. parts cost
Labor Cost
$120 - $240
Mechanic rates
Difficulty
3/5
Moderate
1-2 hours
DIY Fix?
✅ Yes
Can fix at home

📖 What Does B0049 Mean?

The B0049 code indicates that the climate control system has detected a malfunction in the temperature sensor, which is responsible for monitoring the temperature of the air entering the vehicle's cabin.

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Symptoms

Inconsistent air temperature, poor air circulation, and/or malfunctioning climate control system

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Common Causes

Faulty temperature sensor, wiring issues, or climate control module malfunction

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Possible Solutions

1. Disconnect the battery to reset the climate control system. 2. Check and clean the temperature sensor. 3. Replace the temperature sensor if damaged. 4. Inspect and repair any wiring issues. 5. Update the climate control module software if necessary.

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Recommended Parts & Tools

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Frequently Asked Questions about B0049

How serious is B0049?

This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.

Can I drive with B0049?

You can typically drive short distances, but have it diagnosed as soon as possible.

How much does it cost to fix B0049?

Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.

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Related Diagnostic Codes

Other codes that may appear with B0049

💡 Why These Codes Are Related:

  • Similar Issues: Same root cause or component failure
  • Related Problems: Often occur together due to system interactions
  • Sequential Codes: Progressive failure stages or multiple sensors
  • Same System: Components within the same automotive system