← Back to Search Severity: Medium

B0094

B0094: Immobilizer System Malfunction

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0094 Mean?

The immobilizer system has detected a malfunction, possibly due to a faulty immobilizer module, key fob, or battery issue.
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Symptoms

  • • Key fob not recognized
  • • engine won't start
  • • or intermittent starting issues
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Common Causes

  • • Faulty immobilizer module
  • • key fob battery issue
  • • or low key fob battery
Fix Guide
🛠️

Possible Solutions

1. Check key fob battery level and replace if necessary. 2. Check immobilizer module for any signs of physical damage or corrosion. 3. If issue persists, reprogram the immobilizer module or replace it if necessary.

Required Parts

Tools

obd2 scanner multimeter
👨‍🔧

Need a Pro?

Complex codes like B0094 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 B0094

B0000 Same System

Airbag System Malfunction (B0000)

High
B0001 Same System

Body System Code B0001: Climate Control Malfunction

Medium
B0002 Same System

Body System Code B0002: Door Locks Malfunction

Medium
B0003 Same System

Body System Code B0003: Windows

Medium
B0004 Same System

Seat Position Sensor Malfunction

Medium
B0005 Same System

Body System Code B0005: Lighting 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