← View Generic B0933 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0933: B0933: Turn Signal Lamp Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $150
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 B0933 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0933 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 erratically
  • • or not turning off when the ignition is turned off
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Common Causes

  • • Faulty turn signal lamp
  • • wiring issue
  • • or a problem with the turn signal switch
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How to Fix B0933 on 2020 Chevrolet SILVERADO 1500 PICKUP

Check the turn signal lamp for any signs of physical damage or corrosion Inspect the wiring harness for any signs of damage or wear Test the turn signal switch to ensure it's functioning properly Replace the turn signal lamp or wiring harness if necessary Clear the code and test the turn signals to ensure they're functioning properly

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal lamp Shop ↗ Wiring harness Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B0933

B0931 Sequential Code

B0931: Power Window Regulator Malfunction

Medium
B0932 Sequential Code

B0932: Seat Position Sensor Circuit Malfunction

Medium
B0934 Sequential Code

B0934: Body System Security Malfunction

Medium
B0935 Sequential Code

B0935: 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