Diablo Sport Modified PCM and inTune i3 Programmer

2018 Jeep Wrangler JL 3.6L

PKITJL363018-I3

Overview:

The Diablo Sport Modified PCM and inTune i3 Programmer is a comprehensive performance upgrade solution designed specifically for the 2018 Jeep Wrangler JL equipped with the 3.6L engine. This kit combines a preprogrammed modified Powertrain Control Module (PCM) with the versatile inTune i3 handheld tuner, allowing enthusiasts to unlock additional horsepower and optimize engine performance with ease. Ideal for Jeep owners seeking enhanced throttle response, increased power output, and customizable tuning options, this package delivers a seamless upgrade experience without sacrificing reliability.

With factory replacement PCM hardware already unlocked and preloaded with performance tunes, the inTune i3 programmer provides an intuitive interface for selecting fuel-grade specific calibrations and making real-time adjustments. This kit is perfect for drivers who want to maximize their Wrangler’s potential on pump gasoline ranging from 87 to 93 octane, while maintaining control over diagnostics and data logging.

Key Features:

This performance kit offers a range of advanced features designed to improve your Jeep Wrangler’s driving dynamics and tuning flexibility:

• Includes a DiabloSport Modified PCM preprogrammed for the 2018 Jeep Wrangler JL 3.6L engine
• inTune i3 handheld programmer with full-color touchscreen for easy navigation and tuning
• Performance tunes available for 87, 91, and 93 octane fuel to add 15-20 rear wheel horsepower over stock
• Performance Transmission Control Module (TCM) tune included for optimized shifting
• WiFi-enabled for effortless software updates and tune downloads
• Multi-license capability allows use on multiple vehicles or sharing with family
• Reads and clears diagnostic trouble codes (DTCs) with datalogging functionality
• Supports custom tunes from reputable tuners such as CMR
• 5 Volt data logging inputs for advanced monitoring and diagnostics
• Compatible with both PC and Mac for tune management and customization

Construction & Design:

The modified PCM is an OEM replacement unit engineered to meet or exceed factory standards while providing enhanced tuning capabilities. Built with durable ABS housing, the unit is designed to withstand the rigors of automotive environments. The inTune i3 programmer features a robust handheld design with a vibrant full-color touchscreen display, ensuring clear visibility and ease of use in any lighting condition. Its compact form factor and intuitive interface make it a practical tool for both novice and experienced tuners.

Performance & Sound

By installing the DiabloSport Modified PCM and utilizing the inTune i3 programmer, Jeep Wrangler owners can expect a noticeable increase in horsepower and torque, with gains of 15 to 20 rear wheel horsepower depending on fuel grade. The included performance TCM tune enhances transmission shift quality and responsiveness, contributing to a more engaging driving experience. These upgrades improve throttle response and overall engine efficiency without compromising reliability or drivability.

Installation & Fitment:

Installation is straightforward, as the modified PCM is a direct OEM replacement designed specifically for the 2018 Jeep Wrangler JL 3.6L engine. No permanent modifications are required, and removal/installation instructional videos are available on DiabloSport’s YouTube channel to assist with the process. Once installed, the inTune i3 programmer connects easily to the vehicle’s OBD-II port for tuning and diagnostics, making it a user-friendly upgrade for enthusiasts of all skill levels.

What's Included:

• DiabloSport Modified PCM preprogrammed for 2018 Jeep Wrangler JL 3.6L
• inTune i3 handheld programmer (Part Number 8345) with preloaded tunes
• Performance TCM tune
• Instruction manual and software for PC/Mac compatibility

Ideal For:

This kit is ideal for Jeep Wrangler JL owners who want to unlock additional horsepower and torque without sacrificing factory reliability. It suits enthusiasts looking for a plug-and-play tuning solution that offers multiple fuel-grade calibrations, transmission tuning, and advanced diagnostic capabilities. Whether you’re a weekend warrior or daily driver, this performance upgrade delivers measurable gains and customization options tailored to your driving style.

Emissions Note

This product is not CARB (California Air Resources Board) compliant and is not legal for use in California or other states with similar emissions regulations. Please verify local laws before purchasing or installing.

DiabloSport makes handheld tuners and ECU tuning solutions aimed at unlocking additional performance and improving drivability for many late-model domestic trucks and muscle cars. Their devices and supported tuning ecosystem are commonly used to optimize engine and transmission calibrations after mods like intakes, exhaust, or gearing changes.