The Volvo D12 Engine Control Module ECM 3964402 P01 OEM is a crucial component for controlling the engine in Volvo vehicles. It is a bolt-on module that requires programming and has a maximum amperage of 12A. Featuring EEPROM memory, this unit has 7 pin terminals and is designed for easy installation on the front of the vehicle. With its male connector type, this ECM is a genuine Volvo part that ensures reliable performance and compatibility with Volvo vehicles.