← View Generic B0348 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0348: B0348: Seat Switch Circuit 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 B0348 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

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

  • • Seat won't move
  • • seat switch lights on dashboard
  • • seat stuck in position
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Common Causes

  • • Faulty seat switch
  • • wiring issue
  • • seat motor failure
  • • faulty seat control module
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How to Fix B0348 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to reset the system. 2. Check and clean the seat switch and wiring connections. 3. Replace the faulty seat switch or wiring harness if damaged. 4. Check the seat motor and replace if faulty. 5. Update the seat control module's software if necessary.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Seat switch Shop ↗ Wiring harness Shop ↗ Seat motor Shop ↗ Seat control module Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0348

B0346 Sequential Code

B0346: Door Locks Actuator Circuit Malfunction

Medium
B0347 Sequential Code

B0347: Power Window Regulator Malfunction

Medium
B0349 Sequential Code

B0349: Turn Signal Lamp Malfunction

Medium
B0350 Sequential Code

B0350: Body Control Module (BCM) Security Malfunction

High

💡 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