While revolutionary for its time—allowing technicians to access modules beyond the engine and transmission—the WDS had limitations. Updates were slow, requiring the purchase of compact discs or flash cards, and the hardware was expensive and bulky.
The software began separating into IDS (for legacy vehicles) and FJDS (Ford J2534 Diagnostic Software) for newer vehicles using Pass-Thru devices. ford ids version history
: Extended diagnostic coverage for Ford and Lincoln/Mercury vehicles produced between 1995 and 2019 Version R130+ (2025–2026) : Current iterations are tightly integrated with the Ford Motorcraft Service Ford began transitioning to
Covers 2018+ models, while older models are serviced by FJDS (Ford J2534 Diagnostic Software). a cloud-based diagnostic platform. The Split:
With the introduction of the 2018 Mustang and F-150, Ford began transitioning to , a cloud-based diagnostic platform. The Split: