← View Generic B1190 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1190: B1190: 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
⚠️

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 B1190 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1190 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.
⚠️

Symptoms

  • • Difficulty locking/unlocking doors
  • • alarm system malfunction
  • • or security light illuminated on dashboard
🔍

Common Causes

  • • Faulty security module
  • • wiring issues
  • • or malfunctioning door lock actuators
🛠️

How to Fix B1190 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check security module for faults and replace if necessary. 2. Inspect wiring for damage or corrosion and repair as needed. 3. Test door lock actuators and replace 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 ↗ Wiring harness Shop ↗ Door lock actuators 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 B1190

B1188 Sequential Code

B1188: Seat Switch Circuit Malfunction

Medium
B1189 Sequential Code

B1189: Body System Code - Lighting Malfunction

Medium
B1191 Sequential Code

B1191: Audio System Malfunction

Medium
B1192 Sequential Code

B1192: Airbag System Fault

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