← Back to Search Severity: Medium

B0740

B0740: Seat Height Sensor Circuit Malfunction

Fix Cost
$150 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0740 Mean?

The seat height sensor circuit has malfunctioned, causing the seat height to be stuck or not functioning properly.
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Symptoms

  • Seat height is stuck
  • seat height sensor warning light is illuminated
  • seat may not adjust properly
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Common Causes

  • Faulty seat height sensor
  • wiring issue
  • seat height sensor connector corrosion
Fix Guide
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Possible Solutions

1. Disconnect battery to reset system, 2. Inspect and clean seat height sensor connector, 3. Replace faulty seat height sensor, 4. Check and repair wiring as needed

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Common Questions About B0740

Q

Can I drive with code B0740?

A

You can drive for a short time, but should address code B0740 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B0740?

A

The estimated repair cost for code B0740 is between $150 and $300. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Need a Pro?

Complex codes like B0740 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B0740

💡 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