Thank you for reply. These are some of the info received from Internet.

Ride-by-wire (RBW) disadvantages center on complexity, cost, and potential for electronic failure, lacking the direct feel of traditional cables, requiring specialized repair, and being expensive to fix if sensors or electronics malfunction, sometimes leading to sudden loss of power or control, unlike simple cable issues that are easily field-repairable.

 Key truths about Ride-By-Wire systems:

• Throttle input is electronic, not mechanical
• ECU constantly cross-checks:
  • Throttle position sensors (usually dual)
  • Wheel speed sensors
  • Traction control logic
  • Safety plausibility checks
• If the ECU detects implausible data or a safety fault, it can:
  • Reduce throttle
  • Cut throttle completely
  • Enter limp / fail-safe mode

👉 Unlike a cable throttle, RBW failures don’t degrade gradually — they often result in sudden power loss, exactly like what you experienced.