← View Generic B2490 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B2490: B2490: Door Locks Actuator 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 B2490 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B2490 code indicates a malfunction in the door lock actuator, which may cause issues with door locking and unlocking functions.
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Symptoms

  • • Door locks may not function properly
  • • or may lock/unlock randomly
  • • or may not respond to key fob commands.
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Common Causes

  • • Faulty door lock actuator
  • • wiring issues
  • • or a problem with the body control module.
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How to Fix B2490 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 as needed. 3. Check the body control module for any fault codes. Clear any stored codes. 4. If the issue persists, replace the body control module.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B2490

B2488 Sequential Code

B2488: Airbag System Fault

High
B2489 Sequential Code

B2489: Climate Control Temperature Sensor Malfunction

Medium
B2491 Sequential Code

B2491: Power Window Relay Circuit Malfunction

Medium
B2492 Sequential Code

B2492: 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