← View Generic B1093 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1093: B1093: Turn Signal Flasher Circuit 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 B1093 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The turn signal flasher circuit has malfunctioned, causing the turn signals to malfunction or not function at all.
⚠️

Symptoms

  • • Turn signals not flashing
  • • or flashing erratically
  • • or not functioning at all
  • • sometimes accompanied by a warning light on the dashboard.
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Common Causes

  • • Faulty turn signal flasher module
  • • wiring issues
  • • or a blown fuse.
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How to Fix B1093 on 2020 Chevrolet SILVERADO 1500 PICKUP

Check the turn signal flasher module for any signs of physical damage or corrosion. Inspect the wiring harness for any signs of damage, chafing, or corrosion. Replace the turn signal flasher module if damaged or faulty. Replace any damaged or corroded wiring harness components.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal flasher module Shop ↗ Wiring harness components Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1093

B1091 Sequential Code

B1091: Power Window Circuit Malfunction

Medium
B1092 Sequential Code

B1092: Seat Position Sensor Circuit Malfunction

Medium
B1094 Sequential Code

B1094: Body System Security Malfunction

Medium
B1095 Sequential Code

B1095: 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