← View Generic B0997 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

B0997: B0997: Turn Signal Flasher 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 B0997 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The B0997 code indicates a malfunction in the turn signal flasher circuit, which can cause the turn signals to malfunction or not function at all.
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Symptoms

  • • Turn signals not flashing
  • • or flashing erratically
  • • or not functioning at all
  • • sometimes accompanied by a warning light on the dashboard.
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Common Causes

  • • Faulty turn signal flasher module
  • • wiring issues
  • • or a problem with the turn signal switch.
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How to Fix B0997 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Disconnect the battery to prevent any electrical shock. 2. Locate the turn signal flasher module and remove it from the vehicle. 3. Inspect the module for any signs of physical damage or corrosion. 4. If damaged, replace the module with a new one. 5. Reconnect the wiring harness and test the turn signals to ensure they are functioning properly.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

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Related Diagnostic Codes

Other codes that may appear with B0997

B0995 Sequential Code

B0995: Power Window Regulator Malfunction

Medium
B0996 Sequential Code

B0996: Seat Switch Circuit Malfunction

Medium
B0998 Sequential Code

B0998: Immobilizer System Malfunction

Medium
B0999 Sequential Code

B0999: Audio System Malfunction

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