aFe Power Shift Logic Transmission Module

2007–2018 Dodge Ram 2500/3500 5.9L & 6.7L Diesel

Part #: 77-52002

Overview

The aFe Power Shift Logic Transmission Module is engineered to enhance the shifting performance of Dodge Ram 2500 and 3500 trucks equipped with the 68RFE transmission and Cummins diesel engines from 2007 through 2018. Designed specifically for 5.9L and 6.7L diesel variants, this module addresses common transmission issues such as shudder and slippage at low RPMs, which are often exacerbated when power adders are installed. By optimizing transmission line pressure, the Shift Logic Module delivers firmer, more precise shifts, reduces transmission fluid temperature, and helps extend the overall life of your transmission.

This plug-and-play module is ideal for truck owners seeking improved drivability, whether for daily street use or heavy towing applications. Its user-friendly design allows drivers to customize shift firmness with three selectable settings, making it a versatile upgrade for a wide range of driving preferences and conditions.

Key Features

The aFe Power Shift Logic Transmission Module offers a range of benefits designed to improve transmission performance and reliability:

• Enhances shift firmness and reduces transmission slippage, especially at low RPM
• Adjusts transmission line pressure for improved shift quality
• Reduces transmission fluid temperature to help extend transmission life
• Three selectable shift settings: Stock (no LED), Stage 1 (orange LED), and Stage 2 (red LED)
• Simple push-button control for easy on-the-fly adjustment
• Plug-and-play installation with OE factory-style connectors—no cutting or splicing required
• Compatible with other aFe Power performance products for comprehensive vehicle enhancement
• Ideal for both street performance and towing applications

Construction & Design

The Shift Logic Transmission Module is built with high-quality electronic components housed in a durable enclosure designed to withstand the demanding environment of under-hood installation. Its harness utilizes OE-style connectors that ensure a secure, factory-quality connection to the 68RFE transmission wiring harness. This thoughtful engineering guarantees reliable operation and longevity while maintaining the integrity of your vehicle’s electrical system.

Installation & Fitment

Installation is straightforward and requires no special tools or vehicle modifications. The module connects directly to the factory transmission connector using the included harness, eliminating the need for wire cutting or splicing. This plug-and-play design allows for quick installation, typically completed in under an hour. The module is compatible with the following vehicles:

• 2007 Dodge Ram 2500 & 3500 5.9L Diesel
• 2008–2010 Dodge Ram 2500 & 3500 6.7L Diesel
• 2011–2018 Ram 2500 & 3500 6.7L Diesel

What's Included

• aFe Power Shift Logic Transmission Module
• OE-style wiring harness with factory connectors
• Push-button control for shift setting selection
• Installation instructions

Ideal For

This transmission module is perfect for Dodge Ram owners who want to improve transmission shift quality and reliability, especially those who have added power upgrades or frequently tow heavy loads. It is well-suited for enthusiasts seeking a customizable driving experience with enhanced shift firmness and reduced transmission wear.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.