← View Generic B1173 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1173: B1173: Turn Signal Bulb Out or Faulty

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$20 - $50
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 B1173 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a malfunction in the turn signal bulb circuit, which may be due to a faulty bulb, wiring issue, or a problem with the turn signal switch.
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Symptoms

  • • Inoperative turn signal
  • • flashing or dimming turn signal lights
  • • or a warning light on the dashboard.
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Common Causes

  • • Faulty turn signal bulb
  • • corroded or damaged wiring
  • • faulty turn signal switch
  • • or a blown fuse.
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How to Fix B1173 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the turn signal bulb and replace it if faulty. 2. Inspect and clean the wiring and connectors. 3. Check the turn signal switch and replace it if faulty. 4. Check the fuse and replace it if blown.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

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Related Diagnostic Codes

Other codes that may appear with B1173

B1171 Sequential Code

B1171: Power Window Circuit Malfunction

Medium
B1172 Sequential Code

B1172: Seat Adjustment Motor Fault

Medium
B1174 Sequential Code

B1174: Body System Security Malfunction

Medium
B1175 Sequential Code

B1175: 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