← View Generic B1293 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B1293: B1293: Body Control Module (BCM) - Exterior Lighting Circuit 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 B1293 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Body Control Module (BCM) has detected a malfunction in the exterior lighting circuit, which may cause issues with the headlights, taillights, or other exterior lights.
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Symptoms

  • • Dim or inoperative exterior lights
  • • warning lights on the dashboard
  • • or intermittent lighting issues.
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Common Causes

  • • Faulty exterior light bulbs
  • • wiring damage
  • • or a malfunctioning BCM.
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How to Fix B1293 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check and replace any blown or burnt-out exterior light bulbs. 2. Inspect and repair any damaged wiring. 3. Update the BCM software if necessary. 4. Test the exterior lighting circuit to ensure proper function.

🔧

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Exterior light bulbs Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1293

B1291 Sequential Code

B1291: Power Window Circuit Malfunction

Medium
B1292 Sequential Code

B1292: Seat Position Sensor Circuit Malfunction

Medium
B1294 Sequential Code

B1294: Immobilizer System Malfunction

Medium
B1295 Sequential Code

B1295: 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