← View Generic B1587 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1587: B1587: Power Window Regulator Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $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 B1587 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The power window regulator is malfunctioning, preventing the window from moving up or down properly.
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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
  • • faulty window motor
  • • faulty wiring or connectors
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How to Fix B1587 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to prevent accidental window movement. 2. Remove door panel and trim to access window regulator. 3. Disconnect electrical connector from regulator. 4. Remove regulator from door frame. 5. Inspect and replace regulator if damaged. 6. Reassemble in reverse order.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Power window regulator Shop ↗ Electrical connector Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B1587

B1585 Sequential Code

B1585: Climate Control Fan Motor Fault

Medium
B1586 Sequential Code

B1586: Door Locks Actuator Malfunction

Medium
B1588 Sequential Code

B1588: Seat Position Sensor Circuit Malfunction

Medium
B1589 Sequential Code

B1589: Body System Code - 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