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SERIES 50 OPERATOR'S GUIDE
Flash
Code
Description
72
Vehicle Overspeed (Absolute)
72
Oxygen Content Too High or Too Low
73
Air Filter Restriction High
73
Gas Valve Position Above or Below Normal Range
73
Gas Valve Position Input Voltage High or Low
73
Gas Metering Valve Not Responding
73
ESS Transmission Stuck in Gear
73
Transmission Neutral Switch Failure (ESS Transmission)
73
Aux Analog Input Data Erratic, Intermittent, or Incorrect
(ESS Transmission)
73
Aux Analog Input #1 Voltage High or Low (ESS Transmission)
74
Optimized Idle Safety Loop Short to Ground
74
Oil Filter Restriction High
75
ECM Battery Voltage High
75
RTC Backup Battery Voltage High
75
Sensor Supply Voltage High
76
Engine Overspeed With Engine Brake
77
Miscellaneous Faults – Refer to BASIC TROUBLESHOOT-
ING
78
Cruise Control/Adaptive Cruise Control Fault
81
Oil Level Sensor Input or Crankcase Pressure Sensor Input
Voltage High
81
Extended Crankcase Pressure Input Voltage High
81
Injection Control Pressure or Exhaust Temperature Sensor
Input Voltage High
81
EGR Differential Pressure Sensor Circuit or EGR
Temperature Circuit Failed High
81
Timing Actuator Failed High or Low
81
Exhaust Port Temperature #1, #2, #3, #4, #5, #6, #7, #8, #9,
#10, #11, #12, #13, #14, #15 or #16 Sensor Voltage High
81
EGR Mass Flow Smart Sensor not Responding or Failed
All information subject to change without notice.
(Rev. 01/ 04)
35
6SE550 0401
Copyright © 2004 DETROIT DIESEL CORPORATION