ASE40548800000 High voltage test adapter VAS 6558A/45 High-voltage test adapter VAS 6558A/45 The high-voltage testing adapter is required to determine whether the high-voltage system is de-energised. Detailed instructions on how to use it are given in the guided troubleshooting. First use: Porsche Cayenne e-hybrid, Audi Q6 e-tron 2024