← View Generic B3347 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B3347: B3347: Power Window Regulator Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$150 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 B3347 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The power window regulator is malfunctioning, preventing the window from moving up or down properly.
⚠️

Symptoms

  • • Window stuck
  • • won't move
  • • or moves erratically
  • • may have a grinding or screeching noise.
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Common Causes

  • • Faulty power window regulator
  • • worn-out or damaged window tracks
  • • faulty window switch
  • • or wiring issue.
🛠️

How to Fix B3347 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to prevent further damage. 2. Inspect window tracks for debris or damage, clean or replace as needed. 3. Check window switch for proper function, replace if faulty. 4. Test power window regulator, replace if faulty. 5. Check wiring for damage or corrosion, repair or replace as needed.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Power window regulator Shop ↗ Window tracks Shop ↗ Window switch Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B3347

B3345 Sequential Code

B3345: Climate Control Temperature Sensor Malfunction

Medium
B3346 Sequential Code

B3346: Door Locks Malfunction

Medium
B3348 Sequential Code

B3348: Seat Position Sensor Circuit Malfunction

Medium
B3349 Sequential Code

B3349: Exterior Lighting 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