← View Generic P0023 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0023: P0023: Intake Air Temperature Sensor Circuit High Input

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $150
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 P0023 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The intake air temperature sensor circuit is reporting a high input voltage, indicating a malfunction in the sensor or wiring.
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Symptoms

  • • Rough idle
  • • decreased power
  • • poor fuel economy
  • • check engine light on
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Common Causes

  • • Faulty intake air temperature sensor
  • • wiring issue
  • • ECU malfunction
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How to Fix P0023 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the intake air temperature sensor and its wiring. 2. Replace the intake air temperature sensor if faulty. 3. Check and clear any other trouble codes.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Intake air temperature sensor Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0023

P0021 Sequential Code

P0021: Fuel Injector Circuit Low Bank 1

Medium
P0022 Sequential Code

P0022: Fuel Injector Circuit Low Bank 1

Medium
P0024 Sequential Code

P0024: Fuel Injector Circuit Malfunction

Medium
P0025 Sequential Code

P0025: Fuel Injector Circuit Low Bank 1

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