TECHNICAL INFORMATION
5 - 9
DDC Code
Number
(Flashed)
Description DDC Code
Number
(Flashed)
Description
68 Idle validation circuit fault (open cir-
cuit)
71 Injector response time short
72 Vehicle overspeed 72 Reserved for vehicle overspeed
(absolute)
73 Reserved for air differential pres-
sure high
74 Oil differential pressure high
75 Battery voltage high 76 Engine overspeed with engine
brake
77 All other faults not listed 81 Timing actuator (dual fuel) failed
high
81 Oil level circuit failed high 81 Crankcase pressure circuit failed
high
82 Timing actuator (dual fuel) failed
low
82 Oil level circuit failed low
82 Crankcase pressure circuit failed
low
83 Oil level high
83 Crankcase pressure high 84 Oil level low
84 Crankcase pressure low 85 Engine overspeed
86 Pump pressure circuit failed high 86 Barometric pressure circuit failed
high
87 Pump pressure circuit failed low 87 Barometric pressure circuit failed
high
88 Coolant pressure low -- CEL short to battery
-- CEL open circuit -- Clock Module failure
-- Clock module abnormal rate