← View Generic P0328 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0328: Knock Sensor 1 Circuit High Input Bank 1

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost

$50 - $300

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 P0328 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The knock sensor is producing a consistently high signal, indicating sensor failure or wiring problems.

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Symptoms

• Excessive timing retard
• reduced power
• poor performance
• check engine light.

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Common Causes

• Faulty knock sensor
• wiring short to power
• poor connections
• electromagnetic interference.

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How to Fix P0328 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace knock sensor, repair wiring shorts to power, shield from interference, check connections.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Various - depends on diagnosis 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 P0328

P0326 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