← View Generic B1140 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1140: B1140: Seat Position Sensor Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $200
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 B1140 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The seat position sensor is not sending the correct signals to the vehicle's computer, indicating a problem with the seat's position or movement.
⚠️

Symptoms

  • • Seat may not move properly
  • • or may not return to its original position after adjustment
  • • seat may not be able to lock into place
  • • or may not detect the occupant's weight.
🔍

Common Causes

  • • Faulty seat position sensor
  • • faulty seat switch
  • • wiring issue
  • • or a problem with the seat's electrical system.
🛠️

How to Fix B1140 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the seat position sensor and switch for any signs of damage or corrosion. Clean or replace them as needed. 2. Inspect the wiring and connectors for any signs of damage or corrosion. Repair or replace them as needed. 3. Check the seat's electrical system for any signs of malfunction. Repair or replace the faulty component as needed.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Seat position sensor Shop ↗ Seat switch Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B1140

B1138 Sequential Code

B1138: Door Locks Actuator Circuit Malfunction

Medium
B1139 Sequential Code

B1139: Power Window Relay Circuit Malfunction

Medium
B1141 Sequential Code

B1141: Turn Signal or Hazard Warning Light Malfunction

Medium
B1142 Sequential Code

B1142: 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