← Back to Search Severity: Medium

B0428

B0428: Seat Position Sensor Circuit Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0428 Mean?

The seat position sensor circuit has malfunctioned, preventing the vehicle's computer from accurately detecting the position of the seat. This can cause issues with seat adjustment, airbag deployment, and other safety features.
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Symptoms

  • • Seat position sensor error message on the dashboard
  • • seat adjustment issues
  • • airbag light illuminated
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Common Causes

  • • Faulty seat position sensor
  • • wiring issues
  • • sensor connector corrosion
  • • seat motor malfunction
Fix Guide
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Possible Solutions

1. Disconnect the battery to reset the system. 2. Check and clean the sensor connector. 3. Replace the seat position sensor if faulty. 4. Check and repair any wiring issues. 5. Test the seat motor to ensure proper function.

❓ Common Questions About B0428

Can I drive with code B0428?

You can drive for a short time, but should address code B0428 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0428?

The estimated repair cost for code B0428 is between $100 and $300. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0428 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 Wire tester Torx screwdriver
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Need a Pro?

Complex codes like B0428 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 B0428

B0426 Sequential Code

B0426: Door Locks Actuator Circuit Malfunction

Medium
B0427 Sequential Code

B0427: Window Regulator Motor Circuit Malfunction

Medium
B0429 Sequential Code

B0429: Exterior Lighting Malfunction

Medium
B0430 Sequential Code

B0430: Body System Code - Security System 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