DiabloSport Trinity 2 Platinum + Modified PCM Kit for 2018 Jeep Grand Cherokee 5.7L (PKIT-JGCV818-T2)

The DiabloSport Trinity 2 Platinum kit pairs an in-cabin tuner with a PCM programmed for your 2018 Jeep Grand Cherokee 5.7L. It includes preloaded performance tunes, monitoring and adjustment features, and is not legal for sale or use in California.

Overview

The Trinity 2 Platinum uses a 5-inch capacitive touchscreen with swipe functionality and customizable gauge layouts for in-cabin monitoring.

Preloaded performance tunes are available for 87-, 91-, and 93-octane fuel on the 5.7L application. The input states gains of 20–25 rwhp over stock.

The kit includes a PCM programmed to your vehicle, allowing tuning while keeping the stock PCM unaltered. A performance TCM tune for the 8-speed transmission is also included.

The tuner supports custom tunes and includes data logging features. It can read and clear diagnostic trouble codes and supports Wi-Fi updates.

This product is intended for racing vehicles. It is legal under the provisions of EPA's Tampering Policy and is not legal in California.

Features

• 5-inch color capacitive touchscreen with swipe functionality
• Preloaded 87-, 91-, and 93-octane performance tunes for the 5.7L
• Stated gains of 20–25 rwhp over stock
• Performance TCM tune for the 8-speed transmission included
• Modified PCM programmed to your vehicle; stock PCM remains unaltered
• Accepts custom tunes and supports data logging
• Customizable gauge layouts, alerts, and recording
• Read and clear diagnostic trouble codes
• Adjust tire size from 20 to 44 inches to correct the speedometer
• Adjustable rev limiter, idle speed, cooling fan targets, and WOT fuel and spark settings

What's Included

• DiabloSport Trinity 2 tuner
• PCM programmed to your vehicle
• Required bypass module or cable
• Performance TCM tune for the 8-speed transmission

Specifications

• Brand: DiabloSport
• Part number: PKIT-JGCV818-T2
• Fitment: Compatible with 2018 Jeep Grand Cherokee - 5.7L
• Emissions: Legal under the provisions of EPA's Tampering Policy - Not legal in CA
• UPC: 810009937531

How Ordering Works

Enter your 17-digit VIN at checkout (and your PCM calibration ID if you have it). DiabloSport programs the replacement PCM to your vehicle before it ships, so it is ready to install. Not sure which kit your vehicle needs? Send us your VIN and we will confirm.

Want more than the preloaded tunes? Pair this with our Custom Diablo Tune, built for your exact parts and fuel by N2 Speed.

Frequently Asked Questions

Which vehicle does this kit fit?

It fits the 2018 Jeep Grand Cherokee with the 5.7L engine.

What does the kit include?

The kit includes a Trinity 2 tuner, a PCM programmed to your vehicle, a required bypass module or cable, and a performance TCM tune for the 8-speed transmission.

Is this product legal for street use in California?

No. It is legal under the provisions of EPA's Tampering Policy but is not legal in California; the manufacturer says it may only be used on racing vehicles.

Emissions notice: not legal for sale or use in California or on any pollution-controlled vehicle where prohibited. Check your state's rules before ordering.

Fitment help: call 954-507-6261 or email sales@americanmuscleperformance.net with your VIN and we will confirm the right part before you order.