← View Generic B0341 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0341: B0341: 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 B0341 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Body Control Module (BCM) has detected a malfunction in the turn signal lamp circuit, preventing the turn signal lights from functioning properly.
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Symptoms

  • • Turn signals do not function
  • • or flash erratically
  • • or lights are dim or not lit at all.
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Common Causes

  • • Faulty turn signal lamp
  • • faulty turn signal switch
  • • faulty BCM
  • • wiring issues
  • • or a blown fuse.
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How to Fix B0341 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the turn signal lamp for damage or corrosion. Replace if necessary. 2. Inspect the turn signal switch for wear or damage. Clean or replace if necessary. 3. Check the wiring harness for damage or corrosion. Repair or replace if necessary. 4. Check the BCM for any fault codes. Clear or repair if necessary. 5. Check the fuse box for a blown fuse. Replace if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B0341

B0339 Sequential Code

B0339: Power Window Relay Circuit Malfunction

Medium
B0340 Sequential Code

B0340: Seat Position Sensor Circuit Malfunction

Medium
B0342 Sequential Code

B0342: Immobilizer System Malfunction

Medium
B0343 Sequential Code

B0343: 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