TECHNICAL INFORMATION
DDEC IV
CODE
DESCRIPTION
65 Throttle valve position input fault
66 Engine knock sensor input fault
67 Coolant or air inlet pressure sensor input voltage fault
68 TPS idle validation switch open circuit or short to ground
71 Injector response time short
72 Vehicle overspeed
73 Gas valve position input fault or ESS fault
74 Optimized idle safety loop short to ground
75 ECM battery voltage high
76 Engine overspeed with engine brake
77 Fuel temperature high
81 Oil level, crankcase pressure, dual fuel BOI or exhaust temperature voltage high
82 Oil level, crankcase pressure, dual fuel BOI or exhaust temperature voltage low
83 Oil level, crankcase pressure, exhaust temperature or external pump pressure high
84 Oil level or crankcase pressure low
85 Engine overspeed
86 External pump or barometer pressure sensor input voltage high
87 External pump or barometer pressure sensor input voltage low
88 Coolant pressure low
123
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