← View Generic P0924 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0924: P0924: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$500 - $1500
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 P0924 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Transmission Control Module (TCM) has detected an internal error, which may be caused by a faulty TCM, wiring issue, or other internal transmission component failure.
⚠️

Symptoms

  • • Transmission slipping
  • • hesitation
  • • or refusal to engage gears
  • • unusual noises
  • • or the check engine light is illuminated.
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Common Causes

  • • Faulty TCM
  • • wiring issue
  • • internal transmission component failure
  • • or a software glitch.
🛠️

How to Fix P0924 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Clear the code and monitor the vehicle to see if the issue reoccurs. 2. Check for any loose or damaged wiring and repair or replace as necessary. 3. Update the TCM software if a software glitch is suspected. 4. Replace the TCM if it is faulty.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission Control Module Shop ↗ Wiring harness Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with P0924

P0922 Sequential Code

P0922: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

Medium
P0923 Sequential Code

P0923: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

High
P0925 Sequential Code

P0925: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

High
P0926 Sequential Code

P0926: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

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