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B0664

B0664: Airbag System Deployment Sensor Circuit Malfunction

Fix Cost
$200 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0664 Mean?

The airbag system deployment sensor circuit has malfunctioned, preventing the airbag from deploying in the event of a crash.
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Symptoms

  • Airbag warning light illuminated
  • airbag system disabled
  • crash sensor malfunction
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Common Causes

  • Faulty airbag deployment sensor
  • wiring issue
  • sensor connector corrosion
  • ECU software glitch
Fix Guide
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Possible Solutions

1. Disconnect battery, clear code, and retest. 2. Inspect and clean sensor connector. 3. Replace faulty sensor. 4. Check wiring for damage or corrosion. 5. Update ECU software if necessary.

Common Questions About B0664

Can I drive with code B0664?

No, it is not recommended. Seeing code B0664 indicates a serious issue that could damage your engine or transmission if ignored. You should stop driving and have it inspected immediately.

How much does it cost to fix code B0664?

The estimated repair cost for code B0664 is between $200 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0664 easy to fix myself?

This repair is considered moderate. It may require specialized tools or significant disassembly. If you are not an experienced mechanic, professional help is recommended.

Required Parts

Tools

Multimeter Wire tester Torx screwdriver
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Need a Pro?

Complex codes like B0664 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity High
DIY Friendly No
Est. Time 1-2 hours
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Related Diagnostic Codes

Other codes that may appear with B0664

💡 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