← View Generic B0261 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0261: B0261: Body Control Module (BCM) Fault - Turn Signal Light Circuit

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 B0261 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Body Control Module (BCM) has detected an issue with the turn signal light circuit, which may be causing the turn signals to malfunction or not function at all.
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Symptoms

  • • Turn signals not working
  • • flashing
  • • or staying on continuously
  • • warning lights on dashboard
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Common Causes

  • • Faulty turn signal switch
  • • corroded or damaged wiring
  • • BCM malfunction
  • • faulty turn signal bulbs
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How to Fix B0261 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the turn signal switch and wiring for corrosion or damage. 2. Replace the turn signal switch if faulty. 3. Check and replace the turn signal bulbs if faulty. 4. Update the BCM software if necessary. 5. Check and repair any wiring issues.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Turn signal switch Shop ↗ Turn signal bulbs Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0261

B0259 Sequential Code

B0259: Power Window Regulator Circuit Malfunction

Medium
B0260 Sequential Code

B0260: Seat Height Sensor Circuit Malfunction

Medium
B0262 Sequential Code

B0262: Immobilizer System Malfunction

Medium
B0263 Sequential Code

B0263: 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