← View Generic B1628 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1628: B1628: Seat Switch Circuit Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
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 B1628 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The seat switch circuit has malfunctioned, preventing the seat from functioning properly. This code is typically set when the seat switch circuit is open or shorted.
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Symptoms

  • • Seat will not move
  • • or moves erratically
  • • or is stuck in a position
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Common Causes

  • • Faulty seat switch
  • • wiring issue
  • • or electrical component failure
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How to Fix B1628 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to reset the system. 2. Check and clean the seat switch and wiring. 3. Replace the faulty seat switch if necessary. 4. Check for any other electrical issues that may be causing the problem.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Seat switch Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1628

B1626 Sequential Code

B1626: Door Locks Actuator Circuit Malfunction

Medium
B1627 Sequential Code

B1627: Power Window Relay Circuit Malfunction

Medium
B1629 Sequential Code

B1629: Body Control Module (BCM) Malfunction - Lighting

Medium
B1630 Sequential Code

B1630: Body Control Module (BCM) Security System 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