← View Generic B0345 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0345: B0345: 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?
❌ 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 B0345 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 climate control module.
⚠️

Symptoms

  • • Unusual fan noise
  • • inconsistent air flow
  • • or no air flow from the vents
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Common Causes

  • • Faulty climate control fan motor
  • • wiring issue
  • • faulty climate control module
  • • or clogged air vents
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How to Fix B0345 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the climate control fan motor for any signs of physical damage or corrosion. 2. Inspect the wiring harness for any signs of damage or wear. 3. Check the climate control module for any signs of malfunction. 4. Clean or replace the air vents if clogged. 5. Replace the faulty climate control fan motor if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Climate control fan motor Shop ↗ Wiring harness Shop ↗ Climate control module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0345

B0343 Sequential Code

B0343: Audio System Malfunction

Medium
B0344 Sequential Code

B0344: Airbag System Circuit Short to Ground

High
B0346 Sequential Code

B0346: Door Locks Actuator Circuit Malfunction

Medium
B0347 Sequential Code

B0347: 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