UniDiag K-Line Connections — ECU Definitions, COM Ports & Timing Support 0.3.3.1

Bin · 2026-08-12T13:05:51+0300

Use this thread for UniDiag K-Line connection problems, ECU-definition selection, COM-port setup, timing and implausible live-data values.

For a useful reply, include the vehicle/year, engine code, ECU hardware/software number, interface, diagnostic pin and exact error without posting customer identifiers.

The verified ECU profiles, setup workflow and troubleshooting guide are here:

UniDiag KWP2000 — K-Line Diagnostics for Alfa Romeo, Fiat & Lancia

Today at 13:05

Legacy K-Line ECU identification, DTC and live-data diagnostics with included definition files

UniDiag K-Line Connections — ECU Definitions, COM Ports & Timing Support 0.3.3.1

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UniDiag KWP2000 — K-Line Diagnostics for Alfa Romeo, Fiat & Lancia