← View Generic B1981 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1981: B1981: Turn Signal/Hazard 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 B1981 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1981 code indicates a problem with the turn signal or hazard light circuit, which can cause the lights to malfunction or not function at all.
⚠️

Symptoms

  • • Turn signals not working
  • • hazard lights not functioning
  • • or a combination of both
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Common Causes

  • • Faulty turn signal switch
  • • blown fuse
  • • short circuit
  • • or wiring issue
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How to Fix B1981 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the turn signal switch for any signs of wear or damage. Replace if necessary. 2. Check the fuses and replace any blown ones. 3. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace as needed. 4. Test the turn signal and hazard lights to ensure they are functioning properly.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal switch Shop ↗ Fuses Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1981

B1979 Sequential Code

B1979: Power Window Relay Circuit Malfunction

Medium
B1980 Sequential Code

B1980: Seat Position Sensor Circuit Malfunction

Medium
B1982 Sequential Code

B1982: Immobilizer System Malfunction

High
B1983 Sequential Code

B1983: Audio System Fault

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