← Back to Search Severity: Medium

B0182

B0182: Immobilizer System Malfunction

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0182 Mean?

The immobilizer system has malfunctioned, preventing the vehicle from starting or running. This code indicates a problem with the immobilizer system's communication with the engine control module.
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Symptoms

  • Vehicle won't start
  • engine light is on
  • may have a 'check engine' symbol on the dashboard
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Common Causes

  • Faulty immobilizer key fob
  • damaged or corroded wiring
  • faulty immobilizer module
  • incorrect key code
Fix Guide
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Possible Solutions

1. Check the immobilizer key fob's battery level and replace it if necessary. 2. Inspect the wiring for damage or corrosion and repair or replace as needed. 3. Check the immobilizer module for faults and replace it if necessary. 4. Check the key code and ensure it is correct.

Required Parts

Tools

multimeter wiring tester soldering iron
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Need a Pro?

Complex codes like B0182 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 B0182

💡 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