← Back to Search Severity: High

B0656

B0656: Airbag System - Internal Circuit Short to Ground

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

📖 What Does B0656 Mean?

The airbag system has detected an internal circuit short to ground, which can prevent the airbag from deploying in the event of an accident.
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Symptoms

  • Airbag warning light on
  • airbag system malfunction
  • possible airbag deployment issues
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Common Causes

  • Faulty airbag sensor
  • wiring harness damage
  • corrosion
  • or water intrusion
Fix Guide
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Possible Solutions

1. Disconnect battery power to prevent accidental airbag deployment. 2. Locate the faulty airbag sensor and replace it with a new one. 3. Inspect and repair any damaged wiring harness or corroded connections. 4. Clear the code and test the airbag system.

Common Questions About B0656

Can I drive with code B0656?

No, it is not recommended. Seeing code B0656 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 B0656?

The estimated repair cost for code B0656 is between $200 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0656 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 Wiring tester Torx screwdriver
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Need a Pro?

Complex codes like B0656 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 B0656

💡 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