← View Generic P0801 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0801: P0801: Transmission Control Module (TCM) Performance Problem

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 P0801 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The TCM has detected a performance problem, such as a malfunctioning transmission solenoid or a faulty transmission sensor, which is affecting the transmission's ability to function properly.
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Symptoms

  • • Transmission slipping
  • • hesitation
  • • or failure to engage gears
  • • unusual noises
  • • or difficulty shifting into gear
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Common Causes

  • • Faulty transmission solenoid
  • • faulty transmission sensor
  • • clogged transmission filter
  • • low transmission fluid level
  • • or a malfunctioning transmission control module
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How to Fix P0801 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check transmission fluid level and condition; 2. Scan for any other trouble codes; 3. Test transmission solenoids and sensors; 4. Replace faulty solenoids or sensors; 5. Clean or replace transmission filter; 6. Update transmission control module software if necessary

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Need Maintenance Info for Your SILVERADO 1500 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2020 Chevrolet SILVERADO 1500 PICKUP.

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Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission solenoid Shop ↗ Transmission sensor Shop ↗ Transmission filter Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with P0801

P0799 Sequential Code

P0799: Transmission Control System Malfunction

Medium
P0800 Sequential Code

P0800: Transmission Control System Malfunction

Medium
P0802 Sequential Code

P0802: Transmission Control Module (TCM) Range/Performance Problem

Medium
P0803 Sequential Code

P0803: Transmission Control Module (TCM) Range/Performance Issue

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