To remediate this issue you'll need to make sure that certificate ordered is for the correct purpose. Rather than recreate that article I'll direct you to my favorite one here , however note that the [strings],[Extensions],and [RequestAttributes] sections may not be needed depending on your situation. The main takeaway from that article is that at the very least the KeySpec and KeyUsage settings need to be specified (see link under references for more info). Request, retrieve, and install this certificate.
Meeting automakers’ increasing expectations of engine performance is best achieved through the innovation and creativity of holistic solutions. Discouraging the innovation process by imposing unnecessary restrictions on engine oil formulation and composition is counter to achieving these goals.
Working from an unconstrained spectrum of ingredients and technologies, the industry can better understand and manage the role of LSPI “bad actors” while elevating the role of “good actors” and encouraging continued creativity and innovation.