← View Generic P0587 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0587: P0587: Idle Air Control (IAC) Motor Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $300
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 P0587 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The idle air control (IAC) motor circuit has malfunctioned, causing the engine to idle rough or stall. This code is often accompanied by other symptoms such as a rough idle, hesitation, or stalling.
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Symptoms

  • • Rough idle
  • • hesitation
  • • stalling
  • • decreased engine performance
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Common Causes

  • • Faulty idle air control (IAC) motor
  • • dirty or clogged IAC motor
  • • faulty throttle position sensor
  • • vacuum leaks
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How to Fix P0587 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and clean the IAC motor and its associated vacuum hoses. 2. Replace the IAC motor if it's faulty. 3. Check and replace the throttle position sensor if it's faulty. 4. Check for vacuum leaks and repair as necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Idle Air Control (IAC) motor Shop ↗ vacuum hoses Shop ↗

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Related Diagnostic Codes

Other codes that may appear with P0587

P0585 Sequential Code

P0585: Idle Air Control (IAC) Motor Circuit Malfunction

Medium
P0586 Sequential Code

P0586: Idle Air Control (IAC) Motor Circuit Malfunction

Medium
P0588 Sequential Code

P0588: Idle Air Control (IAC) Motor Circuit Malfunction

Medium
P0589 Sequential Code

P0589: Idle Air Control (IAC) Motor 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