← View Generic B0285 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0285: B0285: Turn Signal Lamp Malfunction

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$50 - $150
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 B0285 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0285 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signal lights to malfunction or not function at all.
⚠️

Symptoms

  • • Turn signal lights not functioning
  • • flashing irregularly
  • • or staying on continuously
🔍

Common Causes

  • • Faulty turn signal lamp
  • • wiring issue
  • • or a problem with the turn signal switch
🛠️

How to Fix B0285 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check the turn signal lamp for any signs of damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace as needed. 3. Check the turn signal switch for any signs of wear or corrosion. Clean or replace 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

Turn signal lamp Shop ↗ Wiring harness Shop ↗ Turn signal switch 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 B0285

B0283 Sequential Code

B0283: Power Window Circuit Malfunction

Medium
B0284 Sequential Code

B0284: Seat Adjuster System Fault

Medium
B0286 Sequential Code

B0286: Immobilizer System Malfunction

High
B0287 Sequential Code

B0287: Audio System Fault

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