The powertrain control module isn't the only computer that you can find on contemporary cars, but it is the primary computer that controls most systems and functions for vehicles that utilize a PCM.

Today’s project comes from reader Douglas J. Hickok. A practical, portable car computer design it is intended to be easy to use in the car, but also easily removable. A practical, portable car ...

Porsche Communication Management (PCM) in the 2026 Porsche 911, Cayenne, Panamera and electric Taycan is compatible with ...