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B0776

B0776: Airbag System Module (ASM) Internal Fault

Fix Cost
$500 - $1500
Parts & Labor
Difficulty
4/5
Hard
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0776 Mean?

The Airbag System Module (ASM) has detected an internal fault, preventing it from functioning properly. This code is typically set when the ASM detects a malfunction in its internal circuits or sensors.
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Symptoms

  • • Airbag warning light illuminated
  • • airbag system not functioning
  • • possible loss of airbag deployment in a crash
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Common Causes

  • • Faulty Airbag System Module (ASM)
  • • internal wiring or connector damage
  • • faulty sensors or circuit boards
Fix Guide
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Possible Solutions

1. Disconnect the battery to prevent any accidental airbag deployment. 2. Inspect the ASM for any visible damage or corrosion. 3. Use a scan tool to clear the code and test the airbag system. 4. If the code persists, replace the Airbag System Module (ASM).

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❓ Common Questions About B0776

Q

Can I drive with code B0776?

A

No, it is not recommended. Seeing code B0776 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 B0776?

A

The estimated repair cost for code B0776 is between $500 and $1500. 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.

Required Parts

Airbag System Module (ASM) Shop ↗

Recommended Tools

Scan tool Search ↗ Multimeter Search ↗ Wire tester Search ↗
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Need a Pro?

Complex codes like B0776 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B0776

B0774 Sequential Code

B0774: Immobilizer System Malfunction

Medium
B0775 Sequential Code

B0775: Audio System Malfunction

Medium
B0777 Sequential Code

B0777: Climate Control Fan Motor Malfunction

Medium
B0778 Sequential Code

B0778: Door Locks Actuator Malfunction

Medium

💡 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