← View Generic B1627 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1627: B1627: Power Window Relay Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
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 B1627 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
⚠️

Symptoms

  • • Windows won't roll up or down
  • • or do so intermittently
  • • with no warning lights on the dashboard.
🔍

Common Causes

  • • Faulty power window relay
  • • wiring issues
  • • or a blown fuse.
🛠️

How to Fix B1627 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring harness for damage or corrosion and repair or replace as needed. 3. Test the power window relay and replace it if faulty.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Power window relay Shop ↗ Wiring harness Shop ↗ Fuse Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B1627

B1625 Sequential Code

B1625: Climate Control Temperature Sensor Malfunction

Medium
B1626 Sequential Code

B1626: Door Locks Actuator Circuit Malfunction

Medium
B1628 Sequential Code

B1628: Seat Switch Circuit Malfunction

Medium
B1629 Sequential Code

B1629: Body Control Module (BCM) Malfunction - Lighting

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