← View Generic B0186 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0186: B0186: Door Locks Actuator 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 B0186 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0186 code indicates a malfunction in the door lock actuator, which may prevent the doors from locking or unlocking properly.
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Symptoms

  • • Door locks may not function
  • • doors may not lock or unlock
  • • or may do so intermittently.
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or a problem with the body control module.
🛠️

How to Fix B0186 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the door lock actuator for damage or corrosion and replace it if necessary. 2. Inspect the wiring harness for damage or corrosion and repair or replace it if necessary. 3. Update the body control module's software if necessary. 4. Test the door lock actuator and wiring harness to ensure proper function.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Door lock actuator Shop ↗ Wiring harness Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B0186

B0184 Sequential Code

B0184: Airbag System Fault

Medium
B0185 Sequential Code

B0185: Climate Control Fan Motor Control Circuit Malfunction

Medium
B0187 Sequential Code

B0187: Power Window Circuit Malfunction

Medium
B0188 Sequential Code

B0188: Seat Switch Circuit 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