This post talks about the rear differential (rear diff) temperature sensor. We explain what it does and how it can affect a transmission swap or aftermarket DCCD controller like iDCCD install, as well as differentiate between the two types for those who just need a replacement on an STi. Updating your...

In this blog post we talk about the differences between OEM DCCD compared to aftermarket DCCD controllers when swapping a DCCD equipped transmission in a Subaru that didn't come with DCCD from the factory. Learn more about the DCCD basics here. When putting a 5 or 6 speed DCCD equipped transmission...

In this blog post, we break down what the Neutral Position Switch (NPS) does in a Subaru and how it can affect a transmission swap. No matter what type of transmission you put in (NA, turbo, or DCCD) the NPS will need to be updated if the NPS and ECU...

There are a few options for DCCD Controllers in a Subaru but what stays standard between controllers is the plugs. Don't go to the junkyard or splice in a corroded connector; purchase a new plug instead. It's always best to install new parts rather than used ones, since they are...

This DIY Guide explains how to install a DCCD Controller on a Subaru using our easy-to-use adapters. Before beginning, you will need to ensure your transmission can accept a DCCD Controller. To do this, check what plug is coming out of the new Subaru transmission. Click here to learn more....

What is DCCD?  DCCD stands for Driver Controlled Center Differential. Explanations for this system are complex and tend to go about like this. Basic Idea Behind DCCD If we put aside the highly technical specifics (and semantics), the core concept is that a DCCD-equipped transmission can adjust the power distribution between...