← Back to Search Severity: Medium

B3189

B3189: Turn Signal Lamp Malfunction

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System

📖 What Does B3189 Mean?

The B3189 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
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Symptoms

  • Turn signals not working
  • flashing
  • or staying on continuously
  • warning lights on dashboard
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Common Causes

  • Faulty turn signal switch
  • corroded or damaged wiring
  • blown fuse
  • faulty turn signal lamp
Fix Guide
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Possible Solutions

1. Check and replace the turn signal switch if faulty. 2. Inspect and clean or replace corroded wiring. 3. Check and replace the blown fuse. 4. Replace the turn signal lamp if faulty.

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Common Questions About B3189

Q

Can I drive with code B3189?

A

You can drive for a short time, but should address code B3189 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B3189?

A

The estimated repair cost for code B3189 is between $50 and $200. 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 B3189 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B3189

💡 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