← View Generic B0249 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0249: B0249: Climate Control Temperature Sensor Malfunction

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 B0249 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The climate control system has detected a malfunction in the temperature sensor, which is used to regulate the air temperature in the vehicle.
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Symptoms

  • • Inconsistent air temperature
  • • poor air circulation
  • • or failure to maintain the set temperature.
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Common Causes

  • • Faulty temperature sensor
  • • wiring issue
  • • or a problem with the climate control module.
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How to Fix B0249 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the temperature sensor for any signs of damage or corrosion. Replace it if necessary. 2. Inspect the wiring harness for any damage or corrosion and repair or replace as needed. 3. Update the climate control module's software if necessary. 4. Test the system to ensure it's functioning properly.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Temperature sensor Shop ↗ Wiring harness Shop ↗ Climate control module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B0249

B0247 Sequential Code

B0247: Audio System Failure

Medium
B0248 Sequential Code

B0248: Airbag System - Deployment Sensor Circuit Malfunction

High
B0250 Sequential Code

B0250: Door Locks Malfunction

Medium
B0251 Sequential Code

B0251: Power Window Relay 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