P0917: P0917: Transmission Advanced System - Transmission Control Module (TCM) Internal Error

on 2020 Chevrolet SILVERADO 1500 PICKUP

Fix Cost

$500 - $2000

Parts & Labor

Difficulty

4/5

2-4 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 P0917 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 slips
• hesitation
• or refuses to engage gears
• loss of power
• or transmission warning light on the dashboard

🔍

Common Causes

• Faulty TCM
• wiring issue
• internal transmission component failure
• transmission fluid leak
• or low transmission fluid level

🛠️

How to Fix P0917 on 2020 Chevrolet SILVERADO 1500 PICKUP

1. Check transmission fluid level and condition, 2. Scan for any other trouble codes, 3. Inspect wiring harness for damage or corrosion, 4. Replace faulty TCM or internal transmission component, 5. Perform transmission fluid flush and fill

🔧