← View Generic B1810 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1810: B1810: Door Locks Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B1810 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1810 code indicates a malfunction in the door lock system, which may cause the doors to lock or unlock unexpectedly, or fail to function properly.
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Symptoms

  • • Doors locking or unlocking unexpectedly
  • • failure to lock or unlock
  • • door ajar warning light on dashboard
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • faulty door lock module
  • • faulty door switch
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How to Fix B1810 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to reset system. 2. Check and repair or replace faulty door lock actuator. 3. Check and repair or replace wiring. 4. Check and repair or replace door lock module. 5. Check and repair or replace door switch.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Door lock actuator Shop ↗ Wiring harness Shop ↗ Door lock module Shop ↗ Door switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1810

B1808 Sequential Code

B1808: Airbag System Fault

High
B1809 Sequential Code

B1809: Climate Control Malfunction

Medium
B1811 Sequential Code

B1811: Power Window Circuit Malfunction

Medium
B1812 Sequential Code

B1812: 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