← View Generic P0987 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2020 Chevrolet SILVERADO 1500 PICKUP

P0987: P0987: Transmission Advanced System - Transmission Control Module (TCM) Malfunction

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 P0987 Mean on 2020 Chevrolet SILVERADO 1500 PICKUP?

The Transmission Control Module (TCM) has detected a malfunction in the transmission's advanced system, which may cause issues with gear shifting, transmission performance, or transmission failure.
⚠️

Symptoms

  • • Transmission hesitation
  • • slipping
  • • or refusal to engage gears
  • • unusual noises
  • • or vibrations while driving
  • • transmission warning lights on the dashboard.
🔍

Common Causes

  • • Faulty transmission solenoids
  • • clogged transmission filter
  • • low transmission fluid level
  • • faulty transmission pressure sensor
  • • or software issues with the TCM.
🛠️

How to Fix P0987 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check transmission fluid level and condition, 2. Inspect and clean or replace the transmission filter, 3. Test and replace faulty transmission solenoids, 4. Check and replace the transmission pressure sensor, 5. Update the TCM software if necessary.

🔧

Need Maintenance Info for Your SILVERADO 1500 PICKUP?

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

View 2020 Chevrolet SILVERADO 1500 PICKUP Specs

Parts for 2020 Chevrolet SILVERADO 1500 PICKUP

Transmission solenoids Shop ↗ Transmission filter Shop ↗ Transmission pressure sensor Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2020 Chevrolet SILVERADO 1500 PICKUP

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with P0987

P0985 Sequential Code

P0985: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

High
P0986 Sequential Code

P0986: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit Malfunction

Medium
P0988 Sequential Code

P0988: Transmission Advanced System - Transmission Control Module (TCM) Malfunction

Medium
P0989 Sequential Code

P0989: Transmission Advanced System - Torque Converter Clutch Solenoid Circuit 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