← View Generic B1202 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1202: B1202: 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 B1202 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1202 code indicates a malfunction in the door lock actuator, which may cause the door locks to malfunction or not function at all.
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Symptoms

  • • Door locks not functioning
  • • clicking or grinding sounds when trying to lock/unlock
  • • door ajar warning light on dashboard
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • faulty door lock module
  • • corrosion or water damage
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How to Fix B1202 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to reset system, 2. Check and clean door lock actuator and wiring, 3. Replace faulty door lock actuator or module, 4. Check and repair any corrosion or water damage

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B1202

B1200 Sequential Code

B1200: Airbag System Malfunction

High
B1201 Sequential Code

B1201: Climate Control Malfunction

Medium
B1203 Sequential Code

B1203: Power Window Circuit Malfunction

Medium
B1204 Sequential Code

B1204: 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