Take control of the Allison in your 2011-2015.5 GM 6.6L Duramax LML with the BD-Power 1031312 Allison Lock-Up & Pressure Controller. Designed to give you three automatic torque converter lockup modes that engage based on turbo boost, this lock-up controller also enables lock-up in 2nd gear, and 3rd gear based on vehicle speed. In addition, you can maximize transmission holding power by increasing line pressure up to 275 PSI for a 25%-115% increase over stock. Built for an easy installation, the Allison Lock-Up & Pressure Controller has plug-in wiring harnesses and OEM sealed connectors.
- Plug-In Wiring Harness
- Increases Line Pressure 25%-115%
- Enables Torque Converter Lock-Up In 2nd & 3rd Gear
- Manual Lock-Up Switch With Safe Engine Stall Protection
Note: On 2015 models, this product is intended for use on the early model years. If your truck has code "AVF" on the glove box RPO build sticker this controller will not work.