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B0891

B0891: Power Window Relay Circuit Malfunction

Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System

📖 What Does B0891 Mean?

The B0891 code indicates a malfunction in the power window relay circuit, which can cause windows to malfunction or not function at all.
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Symptoms

  • Windows not moving
  • intermittent window operation
  • or multiple windows malfunctioning
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Common Causes

  • Faulty power window relay
  • wiring issues
  • or a blown fuse
Fix Guide
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Possible Solutions

1. Check the power window relay for signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace as needed. 3. Check the fuse box for a blown fuse. Replace the fuse if necessary.

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Common Questions About B0891

Q

Can I drive with code B0891?

A

You can drive for a short time, but should address code B0891 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B0891?

A

The estimated repair cost for code B0891 is between $50 and $150. 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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Complex codes like B0891 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B0891

💡 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