← View Generic B1515 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1515: B1515: Power Window Relay Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $150
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 B1515 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.
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Common Causes

  • • Faulty power window relay
  • • wiring issues
  • • or a malfunctioning window switch.
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How to Fix B1515 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the power window relay for signs of wear or damage. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace as needed. 3. Test the window switch to ensure it's functioning properly. Replace if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Power window relay Shop ↗ Wiring harness 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 B1515

B1513 Sequential Code

B1513: Climate Control Fan Motor Malfunction

Medium
B1514 Sequential Code

B1514: Door Locks Actuator Malfunction

Medium
B1516 Sequential Code

B1516: Seat Position Sensor Circuit Malfunction

Medium
B1517 Sequential Code

B1517: Body System Code for Malfunctioning Exterior 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