← View Generic B1538 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1538: B1538: Door Locks Actuator Circuit 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 B1538 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1538 code indicates a malfunction in the door locks actuator circuit, which may cause issues with door locking or unlocking.
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Symptoms

  • • Door locks may not function properly
  • • or may lock or unlock randomly
  • • or may not respond to key fob or door switch inputs.
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Common Causes

  • • Faulty door locks actuator
  • • wiring issue
  • • or electrical component failure.
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How to Fix B1538 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to reset system. 2. Check and repair or replace faulty wiring or electrical components. 3. Replace door locks actuator if faulty.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Door locks actuator Shop ↗ Wiring harness Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B1538

B1536 Sequential Code

B1536: Airbag System Fault

High
B1537 Sequential Code

B1537: Climate Control Actuator Malfunction

Medium
B1539 Sequential Code

B1539: Power Window Relay Circuit Malfunction

Medium
B1540 Sequential Code

B1540: 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