Kubota WG1605-E3 Diagnostic Manual page 240

ECM SYSTEM
WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM
DTC 2301-Spark Coil #1 Primary Short-to-Power
DTC 2304-Spark Coil #2 Primary Short-to-Power
DTC 2307-Spark Coil #3 Primary Short-to-Power
DTC 2310-Spark Coil #4 Primary Short-to-Power
Diagnostic Aids Chart
1-230
KiSC issued 12, 2016 A