← Back to Search Severity: Medium

B0197

B0197: Turn Signal Lamp Malfunction

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

📖 What Does B0197 Mean?

The B0197 code indicates a problem with the turn signal lamp circuit, likely due to a faulty turn signal switch, wiring issue, or a malfunctioning turn signal lamp.
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Symptoms

  • Turn signal lamps not functioning
  • or flashing erratically
  • often accompanied by a warning light on the dashboard.
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Common Causes

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

1. Check the turn signal switch for any signs of wear or damage and replace it if necessary. 2. Inspect the wiring and connectors for corrosion or damage and clean or replace them as needed. 3. Test the turn signal lamp to ensure it's functioning properly. 4. Check the fuse box for any blown fuses and replace them if necessary.

Required Parts

Tools

Multimeter Wire tester Screwdriver
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Need a Pro?

Complex codes like B0197 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium
DIY Friendly Yes
Est. Time 1-2 hours
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Related Diagnostic Codes

Other codes that may appear with B0197

💡 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