JLG G12-55A Service Manual - Manual (Page 183)

9-41 G10-55A, G12-55A
Electrical System
Fault Codes SPN Codes FMI Codes Definition
10 Crank Position Input Pattern Error
42 190 0 Engine Overspeed Extreme
16 Engine Overspeed Moderate
54 158 17 ECU Power Down Error
55 639 13 CAN Error
62 110 15 Engine Coolant Temperature High Least Service
63 110 16 Engine Coolant Temperature High Moderately Service
64 100 18 Engine Oil Pressure Moderately Low
65 100 1 Engine Oil Pressure Extremely Low
66 105 16 Manifold Air Temperature Moderately High
68 1569 31 Fuel Derate
69 110 0 Engine Coolant Temperature High Most Severe
71 1076 0 Pump Control Valve Closure Too Long
72 1076 1 Pump Control Valve Closure Too Short
73 1076 5 Pump Solenoid Circuit Open
74 1076 6 Pump Solenoid Circuit Severely Shorted
75 1076 7 Pump Control Valve Closure Not Detected
76 1076 10 Pump Solenoid Circuit Moderately Shorted
77 1076 3 Pump Solenoid Current High
78 200 13 Security Violation
79 2000 6 Internal ECU Error
81 174 16 Fuel Temperature Moderately High
82 1110 31 Engine Protection Shutdown
83 970 31 Auxiliary Engine Shutdown Switch Active
84 158 17 ECU Power Down Error
971 31 External Derate Switch Active
88 N/A N/A Signifies No Fault Codes Are In Buffer