[ME-115] In the DA-42 G1000 system, if both 'L/R ECU A FAIL' and 'L/R ECU B FAIL' illuminate on the same engine in flight, what does it mean and what action should be taken? (Ref: SOP Page 52)
A) Both ECU channels A and B have failed or engine power is lost; attempt ECU A/B selection, shut down the engine if not restored, and land at the nearest suitable airfield
B) It is only a display error; continue the flight normally
C) Open Fuel Crossfeed and increase RPM to 2500
D) Cycle the Avionics Master switch OFF and ON
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Correct Answer: A) Both ECU channels A and B have failed or engine power is lost; attempt ECU A/B selection, shut down the engine if not restored, and land at the nearest suitable airfield