← View Generic B2245 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B2245: B2245: Body Control Module (BCM) Malfunction - Exterior Lighting

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 B2245 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Body Control Module (BCM) has detected a malfunction in the exterior lighting system, such as a faulty headlight or taillight.
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Symptoms

  • • Dim or inoperative exterior lights
  • • warning lights on the dashboard
  • • or erratic lighting behavior.
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Common Causes

  • • Faulty BCM
  • • wiring issues
  • • blown fuses
  • • or damaged exterior lights.
🛠️

How to Fix B2245 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace blown fuses. 2. Inspect and repair or replace damaged wiring. 3. Test and replace the BCM if necessary. 4. Check and replace faulty exterior lights.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

BCM Shop ↗ fuses Shop ↗ wiring harness Shop ↗ exterior lights Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B2245

B2243 Sequential Code

B2243: Power Window Relay Circuit Malfunction

Medium
B2244 Sequential Code

B2244: Seat Position Sensor Circuit Malfunction

Medium
B2246 Sequential Code

B2246: Body Control Module (BCM) Security System Malfunction

Medium
B2247 Sequential Code

B2247: 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