← View Generic B1158 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1158: B1158: Body System Security 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

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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 B1158 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a malfunction in the vehicle's security system, which may prevent the vehicle from starting or cause other security-related issues.

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Symptoms

• Vehicle won't start
• alarm sounds intermittently
• or security lights flash

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Common Causes

• Faulty security module
• damaged wiring
• or incorrect security settings

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How to Fix B1158 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and reset security settings; 2. Inspect and repair damaged wiring; 3. Replace faulty security module if necessary

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Security module Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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🔗

Related Diagnostic Codes

Other codes that may appear with B1158

B1156 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