← View Generic B0946 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0946: B0946: Door Locks Actuator Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
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 B0946 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing proper door lock operation.
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Symptoms

  • • Door locks may not function
  • • or may function intermittently
  • • or may lock/unlock unexpectedly.
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or BCM malfunction.
🛠️

How to Fix B0946 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check door lock actuator for signs of wear or damage. Replace if necessary. 2. Inspect wiring for damage or corrosion. Repair or replace as needed. 3. Update BCM software if necessary. 4. Test door lock actuator circuit.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Door lock actuator Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

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Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B0946

B0944 Sequential Code

B0944: Airbag System Malfunction

Medium
B0945 Sequential Code

B0945: Climate Control Temperature Sensor Malfunction

Medium
B0947 Sequential Code

B0947: Power Window Regulator Malfunction

Medium
B0948 Sequential Code

B0948: 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