G1000 equipped Diamond DA 40 and DA 40F with system software version 321.24 and earlier (and 369.13 and earlier) are affected.
Loss of EIS may occur during extended (> 5 seconds) engine shutdowns during flight. EIS immediately appears after engine restart.
Contact a Garmin dealer for inclusion of Garmin STC Service Bulletin 1534.
Garmin STC Service Bulletin 1534 does not cover software version 0321.24 for corrective action.