← View Generic B0738 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0738: B0738: Door Locks Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B0738 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a malfunction in the door lock system, which may cause doors to lock or unlock unexpectedly, or fail to function properly.
⚠️

Symptoms

  • • Doors locking or unlocking unexpectedly
  • • inability to lock or unlock doors
  • • door lock actuator noise or vibration
🔍

Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • door lock module failure
  • • faulty door lock switch
🛠️

How to Fix B0738 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check door lock actuator for proper function and replace if faulty. 2. Inspect wiring for damage or corrosion and repair as needed. 3. Replace door lock module if faulty. 4. Check door lock switch for proper function and replace if faulty.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Door lock actuator Shop ↗ Door lock module Shop ↗ Door lock switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0738

B0736 Sequential Code

B0736: Airbag System Circuit Malfunction

High
B0737 Sequential Code

B0737: Climate Control Fan Motor Malfunction

Medium
B0739 Sequential Code

B0739: Power Window Regulator Malfunction

Medium
B0740 Sequential Code

B0740: Seat Height 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