← Back to Search Severity: Medium

B0022

B0022: Immobilizer System Malfunction

Fix Cost
$100 - $500
Est. parts cost
Labor Cost
$100 - $200
Mechanic rates
Difficulty
3/5
Moderate
1-2 hours
DIY Fix?
❌ No
See mechanic

📖 What Does B0022 Mean?

The B0022 code indicates a malfunction in the immobilizer system, which prevents the vehicle from starting. This can be caused by a faulty immobilizer module, a problem with the key fob, or a wiring issue.

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Symptoms

Vehicle will not start, may have intermittent starting issues, dashboard warning lights may be illuminated

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Common Causes

Faulty immobilizer module, problem with key fob, wiring issue, low battery voltage

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Possible Solutions

1. Check the key fob battery level and replace if necessary. 2. Check the immobilizer module for any signs of physical damage or corrosion. 3. Inspect the wiring harness for any signs of damage or corrosion. 4. If the issue persists, reprogram the immobilizer module using a scan tool.

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Recommended Parts & Tools

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Frequently Asked Questions about B0022

How serious is B0022?

This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.

Can I drive with B0022?

You can typically drive short distances, but have it diagnosed as soon as possible.

How much does it cost to fix B0022?

Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.

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Related Diagnostic Codes

Other codes that may appear with B0022

💡 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