Like its successors, VCDS 17.8 provides dealer-level access to car systems that standard OBD-II scanners cannot reach.
When Ross-Tech pushed the 17.8 milestone to production, it brought key enhancements to the ASAM/ODX data structures. These advancements changed how the software communicated over CAN bus and K-Line interfaces: Feature / Upgrade Impact on Diagnostic Performance Native framework support built out for vehicles. Revised ASAM/ODX Data vcds 178
Generic OBD-II scanners said nothing. "System Normal," they lied. Like its successors, VCDS 17
: EGR system faults (17811) can cause rough idling, hesitation, or reduced acceleration due to improper exhaust gas recirculation rates. Like its successors
