← View Generic C3802 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

C3802: C3802: Brake System Pressure Sensor Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost

$50 - $200

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

Your Vehicle

2020 Chevrolet

SILVERADO 1500 PICKUP

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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 C3802 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The brake system pressure sensor circuit has malfunctioned, preventing the brake system from functioning properly.

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Symptoms

• Spongy brake pedal
• low brake fluid level
• brake warning light on

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Common Causes

• Faulty brake system pressure sensor
• wiring issue
• sensor connector corrosion

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How to Fix C3802 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery, clear code. 2. Inspect and clean sensor connector. 3. Replace faulty sensor if necessary. 4. Check and top off brake fluid level.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Brake system pressure sensor Shop ↗ Sensor connector Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with C3802

C3800 Sequential Code

💡 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