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DIAGNOSTIC CODES
COMPONENT CONDITION SPN FMI
Signal Fault
523 2
Injector 1 (MAG) (SDI
Part Load)
Driver Circuit
Open/Grounded
651 5
Driver Circuit Short to
B+
651 3
Driver Circuit
Grounded
651 4
Injector 2 (PTO) (SDI
Part Load)
Driver Circuit
Open/Grounded
652 5
Driver Circuit Short to
B+
652 3
Driver Circuit
Grounded
652 4
Ignition Coil Primary
Driver 1 (MAG)
Driver Circuit Short to
B+
1268 3
Ignition Coil Primary
Driver 2 (PTO)
Driver Circuit Short to
B+
1269 3
Fuel Pump Driver
Circuit
Driver Circuit
Open/Grounded
1347 5
Driver Circuit Short to
B+
1347 3
Driver Circuit
Grounded
1347 4
Fan Relay Driver
Circuit
Driver Circuit
Open/Grounded
1071 5
Driver Circuit Short to
B+
1071 3
Driver Circuit
Grounded
1071 4
Idle Air Control Driver Circuit
Open/Grounded
634 5
Driver Circuit Short to
B+
634 3
Driver Circuit
Grounded
634 4
Position Out of Range
634 7
150
TROUBLESHOOTING
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