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B0104

B0104: Airbag System Malfunction

Fix Cost
$200 - $500
Parts & Labor
Difficulty
4/5
Hard
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0104 Mean?

The airbag system has malfunctioned, preventing the airbags from deploying in the event of a crash. This code is often caused by a faulty airbag sensor or wiring issue.
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Symptoms

  • Airbag warning light on dashboard
  • airbag system not deploying in a crash
  • unusual sounds or vibrations from the airbag module
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Common Causes

  • Faulty airbag sensor
  • wiring issue
  • blown fuse
  • faulty airbag module
  • faulty seatbelt pretensioner
Fix Guide
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Possible Solutions

1. Check the airbag sensor and wiring for damage or corrosion. 2. Replace the airbag sensor if damaged. 3. Check the airbag module for any signs of physical damage. 4. Replace the airbag module if damaged. 5. Check the seatbelt pretensioner for any signs of physical damage. 6. Replace the seatbelt pretensioner if damaged.

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Common Questions About B0104

Q

Can I drive with code B0104?

A

No, it is not recommended. Seeing code B0104 indicates a serious issue that could damage your engine or transmission if ignored. You should stop driving and have it inspected immediately.

Q

How much does it cost to fix B0104?

A

The estimated repair cost for code B0104 is between $200 and $500. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered difficult. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Related Diagnostic Codes

Other codes that may appear with B0104

💡 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