← View Generic B1181 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1181: B1181: Turn Signal/Hazard Lamp 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 B1181 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B1181 code indicates a problem with the turn signal or hazard lamp circuit, which may cause the lamps to malfunction or not function at all.
⚠️

Symptoms

  • • Turn signal or hazard lamps not functioning
  • • flashing
  • • or staying on continuously
🔍

Common Causes

  • • Faulty turn signal or hazard lamp module
  • • wiring issue
  • • or a problem with the lamp itself
🛠️

How to Fix B1181 on 2020 Chevrolet SILVERADO 1500 PICKUP

Check the turn signal and hazard lamp circuits for any signs of damage or corrosion Replace the turn signal or hazard lamp module if faulty Inspect and clean the lamp contacts and wiring Replace the lamp if damaged or faulty

🔧

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 or hazard lamp module Shop ↗ Lamp 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 B1181

B1179 Sequential Code

B1179: Power Window Circuit Malfunction

Medium
B1180 Sequential Code

B1180: Seat Switch Circuit Malfunction

Medium
B1182 Sequential Code

B1182: Body System Security Malfunction

Medium
B1183 Sequential Code

B1183: 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