← Back to Search Severity: High

B0590

B0590: 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 B0590 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 will not start
  • or will not run
  • due to immobilizer system malfunction
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Common Causes

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

1. Check the key fob battery level and replace if necessary. 2. Inspect and clean the wiring and connectors. 3. Replace the immobilizer module if faulty. 4. Re-program the key fob if necessary.

Common Questions About B0590

Can I drive with code B0590?

No, it is not recommended. Seeing code B0590 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 B0590?

The estimated repair cost for code B0590 is between $100 and $500. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0590 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
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Need a Pro?

Complex codes like B0590 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 B0590

💡 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