← View Generic B0938 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0938: B0938: Door Lock 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 B0938 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0938 trouble code indicates a malfunction in the door lock actuator circuit, which may prevent the doors from locking or unlocking properly.
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Symptoms

  • • Door locks not functioning
  • • doors not locking or unlocking
  • • or intermittent door lock issues.
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or a problem with the body control module.
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How to Fix B0938 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the door lock actuator for any signs of damage or wear. 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 or issues. Clear any fault codes and retest. 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

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Related Diagnostic Codes

Other codes that may appear with B0938

B0936 Sequential Code

B0936: Airbag System Fault

High
B0937 Sequential Code

B0937: Climate Control Actuator Malfunction

Medium
B0939 Sequential Code

B0939: Window Regulator Motor Circuit Malfunction

Medium
B0940 Sequential Code

B0940: Seat Position Sensor 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