← View Generic B1517 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1517: B1517: Body System Code for Malfunctioning Exterior Lighting

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

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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 B1517 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

This code indicates a problem with the exterior lighting system, such as faulty headlights, taillights, or turn signals.

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Symptoms

• Dim or non-functional exterior lights
• warning lights on dashboard
• difficulty seeing at night

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Common Causes

• Faulty bulbs
• wiring issues
• blown fuses
• or malfunctioning lighting control module

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How to Fix B1517 on 2020 Chevrolet SILVERADO 1500 PICKUP

Replace faulty bulbs, inspect and repair wiring, replace blown fuses, update lighting control module software

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Exterior lighting bulbs Shop ↗ Wiring harness Shop ↗ Fuses Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1517

B1515 Sequential Code

💡 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