← View Generic B0165 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0165: B0165: Turn Signal or Hazard Warning Light Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
Your Vehicle
2020 Chevrolet
SILVERADO 1500 PICKUP
⚠️

Important for 2020 Chevrolet SILVERADO 1500 PICKUP Owners

Before starting repairs, verify which engine your 2020 Chevrolet SILVERADO 1500 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B0165 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a problem with the turn signal or hazard warning light circuit, preventing proper function or illumination.
⚠️

Symptoms

  • • Turn signals not functioning
  • • hazard warning lights not flashing
  • • or warning lights remaining on after turning them off.
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Common Causes

  • • Faulty turn signal switch
  • • bad bulb
  • • wiring issue
  • • or a problem with the turn signal module.
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How to Fix B0165 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace the turn signal switch if faulty. 2. Inspect and replace any blown bulbs. 3. Check wiring for damage or corrosion and repair as needed. 4. Test the turn signal module and replace if faulty.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal switch Shop ↗ Bulb Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0165

B0163 Sequential Code

B0163: Power Window Regulator Malfunction

Medium
B0164 Sequential Code

B0164: Seat Position Sensor Circuit Malfunction

Medium
B0166 Sequential Code

B0166: Body System Security Malfunction

Medium
B0167 Sequential Code

B0167: Audio 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