What Exactly Is a CPC?
Thanks to modern technology today’s vehicles have computers controlling what’s going on under the bonnet. If you have a Freightliner truck, the computer that is responsible for your machine running...
View ArticleWhat Does a CPC Freightliner Module Do?
A CPC Freightliner module is an essential part of your vehicle. It is responsible for monitoring and controlling more than 100 different functions within the vehicle. Freightliner Cascadia trucks have...
View ArticleCommon Failure Signs And Symptoms Of CPC4 Module
Your CPC4 controls many different parts of your truck based on the information it gets from the sensors that are located around the vehicle. When it is working normally it will take this information,...
View ArticleThe CPC4 (Control Powertrain Controller) Module – What Trucks Use CPC4?
The CPC4 module is found in the Freightliner Cascadia and Western star trucks. It is approximately 7″ wide x 4.5″ deep by 1.5″ tall. It is often located under the dash or under the passenger seat, but...
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