← View Generic B0086 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0086: B0086: Body System Security Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $300
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 B0086 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0086 code indicates a malfunction in the vehicle's security system, which can prevent the vehicle from starting or cause other security-related issues.
⚠️

Symptoms

  • • Vehicle won't start
  • • security light on dashboard
  • • alarm sounds randomly
🔍

Common Causes

  • • Faulty security module
  • • bad battery connection
  • • incorrect security code entry
🛠️

How to Fix B0086 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and reset security module, 2. Clean and reconnect battery connections, 3. Enter correct security code, 4. Replace security module if faulty

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

security module Shop ↗ battery connections Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B0086

B0084 Sequential Code

B0084: Seat Switch Circuit Malfunction

Medium
B0085 Sequential Code

B0085: Exterior Lighting Malfunction

Medium
B0087 Sequential Code

B0087: Audio System Malfunction

Medium
B0088 Sequential Code

B0088: Airbag System 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