← View Generic B1394 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1394: B1394: Door Lock Actuator Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$150 - $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 B1394 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1394 code indicates a malfunction in the door lock actuator circuit, which prevents the door locks from functioning properly.
⚠️

Symptoms

  • • Door locks won't engage or disengage
  • • may be stuck in one position
  • • or may not respond to the unlock or lock button.
🔍

Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or a problem with the body control module.
🛠️

How to Fix B1394 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the wiring and connectors for damage or corrosion. 2. Test the door lock actuator for proper function. 3. Replace the faulty door lock actuator if necessary. 4. Update the body control module's software if a software update is available.

🔧

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 ↗

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 B1394

B1392 Sequential Code

B1392: Airbag System Fault

High
B1393 Sequential Code

B1393: Climate Control Fan Motor Malfunction

Medium
B1395 Sequential Code

B1395: Power Window Regulator Circuit Malfunction

Medium
B1396 Sequential Code

B1396: Seat Switch 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