Front Left (LH) speed sensor not feasible or signal invalid. Common Symptoms: ABS warning light illuminated on the dashboard.

can be a "payload" value indicating a specific button press or state:

The "Fiat 0x08" notation comes from (like MultiECUscan, Fiat's own Examiner, or professional grade tools like Autel or Launch). These tools translate the raw CAN bus hex ID into a human-readable module ID. If you see "0x08," you are looking under the hood of the vehicle's native language.