← View Generic B0145 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0145: B0145: Climate Control Blower Motor Fault

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 B0145 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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

  • • Inconsistent airflow
  • • loud noises from the blower motor
  • • or no airflow at all
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Common Causes

  • • Faulty blower motor
  • • faulty blower motor resistor
  • • wiring issue
  • • or faulty climate control module
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How to Fix B0145 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the blower motor resistor for any signs of damage or corrosion. Replace it if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace it if necessary. 3. Check the blower motor for any signs of damage or wear. Replace it if necessary. 4. If the issue persists, replace the climate control module.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Blower motor resistor Shop ↗ Blower motor Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0145

B0143 Sequential Code

B0143: Audio System Malfunction

Medium
B0144 Sequential Code

B0144: Airbag System Fault

High
B0146 Sequential Code

B0146: Door Locks Actuator Circuit Malfunction

Medium
B0147 Sequential Code

B0147: Power Window Switch Circuit 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