← View Generic B1738 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1738: B1738: 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 B1738 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1738 code indicates a malfunction in the door lock actuator, which may cause issues with door locking and unlocking functions.
⚠️

Symptoms

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

Common Causes

  • • Faulty door lock actuator
  • • wiring issues
  • • or a problem with the door lock module.
🛠️

How to Fix B1738 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 and connectors for any signs of damage or corrosion. Repair or replace as needed. 3. Check the door lock module for any signs of malfunction. Replace if necessary.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B1738

B1736 Sequential Code

B1736: Airbag System Fault

High
B1737 Sequential Code

B1737: Climate Control Actuator Malfunction

Medium
B1739 Sequential Code

B1739: Power Window Relay Circuit Malfunction

Medium
B1740 Sequential Code

B1740: 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