KTM 2010 1190 RC8 R EU/UK Owner's Manual page 217

ENGINE CONTROL BLINK CODE
Blink code EFI warning lamp (MIL)
Error level condition
Blink code EFI warning lamp (MIL)
Error level condition
81 EFI warning lamp (MIL) flashes 8x long, 1x short
Immobilizer control unit - circuit fault
91 EFI warning lamp (MIL) flashes 9x long, 1x short
CAN bus communication error
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