← View Generic B3668 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B3668: B3668: Seat Position Sensor Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$150 - $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 B3668 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The seat position sensor has failed to provide accurate data to the vehicle's computer, causing issues with seat functionality.
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Symptoms

  • • Seat not moving properly
  • • seat position not being recognized
  • • seat not adjusting correctly
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Common Causes

  • • Faulty seat position sensor
  • • wiring issue
  • • electrical connector problem
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How to Fix B3668 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace the seat position sensor, inspect and repair or replace wiring and electrical connectors, update vehicle software if necessary

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Seat position sensor Shop ↗ Wiring harness Shop ↗ Electrical connector Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B3668

B3666 Sequential Code

B3666: Door Locks Actuator Malfunction

Medium
B3667 Sequential Code

B3667: Power Window Relay Circuit Malfunction

Medium
B3669 Sequential Code

B3669: Exterior Lighting Malfunction

Medium
B3670 Sequential Code

B3670: Immobilizer 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