← View Generic B0957 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0957: B0957: Turn Signal Lamp 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 B0957 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0957 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
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Symptoms

  • • Turn signal lights not working
  • • flashing erratically
  • • or staying on continuously
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Common Causes

  • • Faulty turn signal switch
  • • corroded or damaged wiring
  • • blown fuse
  • • or malfunctioning turn signal module
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How to Fix B0957 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace the turn signal switch if faulty. 2. Inspect and clean the wiring and connectors. 3. Replace the fuse if blown. 4. Test and replace the turn signal module if malfunctioning.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal switch Shop ↗ Wiring harness Shop ↗ Fuse Shop ↗ Turn signal module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0957

B0955 Sequential Code

B0955: Windows Regulator Malfunction

Medium
B0956 Sequential Code

B0956: Seat Switch Circuit Malfunction

Medium
B0958 Sequential Code

B0958: Immobilizer System Malfunction

Medium
B0959 Sequential Code

B0959: 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