Bosch sells engine hardware (ECU, pump, injectors etc..), but the software is custom made. The automaker pays Bosch to implement the SW they want, as a lot of features differentiating automakers are SW features that they do not want their competitors to have.
Hence it doesn't mean that every diesel engine with a bosch ECU had the cheating device from VW.
Bosch sells engine hardware (ECU, pump, injectors etc..), but the software is custom made. The automaker pays Bosch to implement the SW they want, as a lot of features differentiating automakers are SW features that they do not want their competitors to have.
Hence it doesn't mean that every diesel engine with a bosch ECU had the cheating device from VW.