← View Generic P0747 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0747: P0747: Transmission Control System Malfunction Affecting Gear Shifting

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost
$200 - $1000
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 P0747 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The P0747 code indicates a malfunction in the transmission control system, which can cause issues with gear shifting and transmission operation.
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Symptoms

  • • Difficulty shifting gears
  • • slipping or hesitation between gears
  • • transmission warning light on
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Common Causes

  • • Faulty transmission control module
  • • faulty transmission solenoid
  • • clogged transmission filter
  • • low transmission fluid level
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How to Fix P0747 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check transmission fluid level and top off if necessary. 2. Scan for any other trouble codes. 3. Replace faulty transmission solenoid. 4. Replace faulty transmission control module. 5. Clean or replace transmission filter.

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission control module Shop ↗ Transmission solenoid Shop ↗ Transmission filter Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0747

P0745 Sequential Code

P0745: Transmission Control System Malfunction

Medium
P0746 Sequential Code

P0746: Transmission Control System Malfunction

Medium
P0748 Sequential Code

P0748: Transmission Control System Malfunction

Medium
P0749 Sequential Code

P0749: Transmission Control 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