← View Generic B1585 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1585: B1585: Climate Control Fan Motor Fault

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 B1585 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a fault in the climate control fan motor, which may be due to a faulty motor, wiring issue, or faulty temperature sensor.
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Symptoms

  • • Inconsistent or slow fan operation
  • • unusual noises
  • • or no air flow from the vents.
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Common Causes

  • • Faulty climate control fan motor
  • • wiring issue
  • • faulty temperature sensor
  • • or clogged air ducts.
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How to Fix B1585 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the wiring and connections to the fan motor and temperature sensor. 2. Test the fan motor for proper operation. 3. Replace the fan motor if faulty. 4. Clean or replace the air ducts if clogged.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Climate control fan motor Shop ↗ Wiring harness Shop ↗ Temperature sensor Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B1585

B1583 Sequential Code

B1583: Audio System Fault

Medium
B1584 Sequential Code

B1584: Airbag System Fault

Medium
B1586 Sequential Code

B1586: Door Locks Actuator Malfunction

Medium
B1587 Sequential Code

B1587: Power Window Regulator 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