← View Generic B1356 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1356: B1356: 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 B1356 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 has no power
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Common Causes

  • • Faulty seat switch
  • • wiring issue
  • • or seat motor failure
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How to Fix B1356 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect battery to reset code. 2. Check seat switch for damage or corrosion. 3. Inspect wiring for damage or shorts. 4. Replace seat switch if damaged. 5. Test seat motor to ensure proper function.

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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 B1356

B1354 Sequential Code

B1354: Door Locks Actuator Circuit Malfunction

Medium
B1355 Sequential Code

B1355: Power Window Circuit Malfunction

Medium
B1357 Sequential Code

B1357: Exterior Lighting Malfunction

Medium
B1358 Sequential Code

B1358: 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