← View Generic C1863 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C1863: C1863: Brake System Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
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 C1863 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The brake system malfunction code C1863 indicates a problem with the brake system's electronic control module (ECM) or the brake pedal position sensor. This code is specific to Toyota and Honda models.
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Symptoms

  • • Brake pedal feels spongy
  • • brake light on dashboard
  • • reduced braking performance
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Common Causes

  • • Faulty brake pedal position sensor
  • • malfunctioning ECM
  • • brake fluid leak
  • • worn brake pads
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How to Fix C1863 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check brake fluid level and top off if necessary. 2. Inspect brake pedal position sensor and replace if faulty. 3. Update ECM software if necessary. 4. Replace brake pads and rotors if worn.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

brake pedal position sensor Shop ↗ brake fluid Shop ↗ brake pads Shop ↗ brake rotors Shop ↗

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Related Diagnostic Codes

Other codes that may appear with C1863

C1861 Sequential Code

C1861: Wheel Speed Sensor Malfunction

Medium
C1862 Sequential Code

C1862: ABS System Malfunction

Medium
C1864 Sequential Code

C1864: Rear Suspension Control Arm Bushing Wear

Medium
C1865 Sequential Code

C1865: Steering Column Position Sensor Circuit Malfunction

High

💡 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