← View Generic B3170 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B3170: B3170: Door Locks Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$100 - $500
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 B3170 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B3170 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors.
⚠️

Symptoms

  • • Doors may not lock or unlock properly
  • • or may lock/unlock randomly
  • • door locks may be slow to respond
  • • or may not respond at all.
🔍

Common Causes

  • • Faulty door lock actuator
  • • faulty door lock switch
  • • wiring issues
  • • or a faulty body control module.
🛠️

How to Fix B3170 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the door lock switch for proper operation and clean or replace it if necessary. 2. Check the wiring harness for damage or corrosion and repair or replace it if necessary. 3. Check the door lock actuator for proper operation and replace it if necessary. 4. Check the body control module for proper operation and reprogram it 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 ↗ Door lock switch 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 B3170

B3168 Sequential Code

B3168: Airbag System Fault

High
B3169 Sequential Code

B3169: Climate Control Actuator Malfunction

Medium
B3171 Sequential Code

B3171: Power Window Regulator Malfunction

Medium
B3172 Sequential Code

B3172: 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