← View Generic B2674 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B2674: B2674: 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 B2674 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B2674 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
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Symptoms

  • • Door locks won't engage or disengage
  • • door locks may be stuck
  • • or door locks may not respond to the remote key fob.
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or a problem with the door lock module.
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How to Fix B2674 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the door lock actuator for any signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace if necessary. 3. Check the door lock module for any signs of malfunction. Replace if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

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Related Diagnostic Codes

Other codes that may appear with B2674

B2672 Sequential Code

B2672: Airbag System Fault

High
B2673 Sequential Code

B2673: Climate Control Fan Motor Fault

Medium
B2675 Sequential Code

B2675: Power Window Circuit Malfunction

Medium
B2676 Sequential Code

B2676: Seat Position Sensor 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