← Back to Search Severity: Medium

B0446

B0446: Body System Security Malfunction

Fix Cost

$100 - $500

Parts & Labor

Difficulty

3/5

Moderate

1-2 hours

DIY Possible?

❌ No

Pro recommended

📖 What Does B0446 Mean?

This code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.

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Symptoms

• Difficulty locking/unlocking doors
• alarm system malfunction
• security light on dashboard

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Common Causes

• Faulty security module
• wiring issues
• faulty door lock actuators

Fix Guide

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Possible Solutions

1. Check security module for faults and replace if necessary. 2. Inspect wiring for damage or corrosion and repair as needed. 3. Test door lock actuators and replace if faulty.

❓ Common Questions About B0446

Can I drive with code B0446?

You can drive for a short time, but should address code B0446 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0446?

The estimated repair cost for code B0446 is between $100 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0446 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 B0446 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium

DIY Friendly No

Est. Time 1-2 hours

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Related Diagnostic Codes

Other codes that may appear with B0446

B0444 Sequential Code

💡 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