← View Generic B0901 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0901: B0901: Body System Code - Lighting Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$20 - $100
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 B0901 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
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Symptoms

  • • Dim or inoperative headlights
  • • taillights
  • • or turn signals
  • • or a combination of these symptoms.
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Common Causes

  • • Faulty headlight or taillight bulb
  • • wiring issue
  • • or a problem with the headlight or taillight switch.
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How to Fix B0901 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the bulb and replace it if necessary. 2. Inspect the wiring and connectors for damage or corrosion. 3. Test the headlight or taillight switch to ensure it's functioning properly. 4. If the issue persists, consult a professional mechanic.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

headlight or taillight bulb Shop ↗ wiring harness Shop ↗ headlight or taillight switch Shop ↗

Essential Tool

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OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0901

B0899 Sequential Code

B0899: Power Window Relay Circuit Malfunction

Medium
B0900 Sequential Code

B0900: Seat Position Sensor Malfunction

Medium
B0902 Sequential Code

B0902: Immobilizer System Malfunction

High
B0903 Sequential Code

B0903: 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