DiabloSport Modified PCM

2011–2018 Ram 1500 5.7L Hemi 6-Speed

Part #: PCM-DR576S16

Overview

The DiabloSport Modified PCM (Unlocked) is a high-performance engine control module designed specifically for the 2011 through 2018 Ram 1500 equipped with the 5.7L Hemi V8 and 6-speed transmission. This modified PCM unlocks the full potential of your vehicle’s powertrain by allowing advanced tuning capabilities when paired with compatible DiabloSport programmers such as the Trinity or i3 (programmer sold separately). Ideal for enthusiasts seeking enhanced throttle response, optimized fuel delivery, and improved overall engine performance, this PCM upgrade provides a solid foundation for custom tuning and performance modifications.

By replacing your factory PCM with this unlocked version, you gain the flexibility to tailor your Ram 1500’s engine management to your specific driving needs, whether for towing, daily driving, or performance applications. The DiabloSport Modified PCM is engineered to maintain reliability while offering a significant step up in tuning versatility.

Key Features

This modified PCM offers a range of features that enable precise control and customization of your Ram 1500’s engine parameters:

• Unlocked calibration for full tuning access with DiabloSport programmers
• Compatible with 2011–2018 Ram 1500 models equipped with 5.7L Hemi and 6-speed transmission
• Supports advanced tuning for improved horsepower, torque, and fuel efficiency
• Enables custom throttle mapping and shift points for enhanced drivability
• Allows adjustment of fuel and ignition timing for optimized performance
• Maintains factory-level reliability and durability under tuned conditions
• Facilitates integration with aftermarket performance parts and modifications
• Designed for seamless replacement of the factory PCM without extensive modifications

Construction & Design

The DiabloSport Modified PCM is built to meet or exceed OEM standards, ensuring a robust and reliable engine control solution. It features high-quality internal components and firmware that have been carefully modified to allow full tuning access while preserving the integrity of the vehicle’s engine management system. The unit is engineered to withstand the demanding conditions of daily driving and performance use, including temperature fluctuations and vibration common in truck applications.

Its design ensures a direct fit replacement for the factory PCM, making installation straightforward without the need for additional wiring or adapters. The modified firmware is optimized for the 5.7L Hemi engine’s unique characteristics, providing a solid platform for performance tuning.

Installation & Fitment

Installation of the DiabloSport Modified PCM requires removal of the factory PCM, which is typically located in the engine compartment on the right side of the firewall in Ram 1500 models. Before ordering, it is essential to provide your current PCM Calibration ID# to ensure compatibility and proper programming. The replacement process is generally straightforward for experienced technicians or knowledgeable enthusiasts, but professional installation is recommended to avoid potential issues.

No permanent modifications to the vehicle’s wiring or hardware are necessary, and the modified PCM is designed to integrate seamlessly with the existing engine and transmission control systems. After installation, pairing with a compatible DiabloSport programmer is required to upload custom tunes and unlock the full performance potential.

What's Included

• DiabloSport Modified PCM (Unlocked) for Ram 1500 5.7L Hemi 6-Speed

Ideal For

This modified PCM is ideal for Ram 1500 owners who want to maximize their truck’s performance through custom tuning. It suits enthusiasts who have installed or plan to install aftermarket performance parts such as cold air intakes, exhaust systems, or superchargers and need a flexible engine management solution. Additionally, it benefits those looking to improve towing capabilities, throttle response, or fuel economy by tailoring engine parameters to their specific driving conditions.

Emissions Note

This product is not available for sale or use on pollution-controlled vehicles. It is intended for off-road or racing applications only and may not comply with local emissions regulations.

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.