← Back to Search Severity: High

B0350

B0350: Body Control Module (BCM) Security Malfunction

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

📖 What Does B0350 Mean?

The Body Control Module (BCM) has detected a security malfunction, likely due to a faulty or tampered-with immobilizer system.
⚠️

Symptoms

  • Car won't start
  • alarm sounds constantly
  • or dashboard warning lights are illuminated.
🔍

Common Causes

  • Faulty or tampered-with immobilizer system
  • corrupted BCM software
  • or a faulty BCM itself.
Fix Guide
🛠️

Possible Solutions

1. Check the immobilizer system for any signs of tampering or damage. 2. Update the BCM software if necessary. 3. Replace the BCM if it's faulty.

Common Questions About B0350

Can I drive with code B0350?

No, it is not recommended. Seeing code B0350 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 B0350?

The estimated repair cost for code B0350 is between $500 and $1500. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0350 easy to fix myself?

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

👨‍🔧

Need a Pro?

Complex codes like B0350 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity High
DIY Friendly No
Est. Time 2-4 hours
🔗

Related Diagnostic Codes

Other codes that may appear with B0350

💡 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