Detroit Diesel Engines Fault Codes List

Fault Codes in PDF

Diagnostic errors DETROIT DIESEL

11 Low voltage input sensor VSG all-mode controller

12 High voltage at the sensor input of the VSG all-mode controller

13 Low voltage at the coolant level sensor input

14 High voltage at the input of the oil temperature sensor, coolant or intercooler

15 Low voltage at the input of the oil temperature sensor, coolant or intercooler

17 High voltage at the coolant level sensor input

18 High voltage at the input of the bypass valve or throttle position sensor

19 Low voltage input to the bypass valve or throttle position sensor

21 High voltage input throttle position sensor

22 Low voltage input throttle position sensor

23 High voltage at the input of the fuel temperature sensor

24 Low voltage at the input of the fuel temperature sensor

25 No active codes

26 Extra protection # 1 or # 2, active input

27 High voltage at the inlet of the intake air temperature sensor

28 Low voltage at the inlet of the air temperature sensor at the inlet

31 Open or short to ground in the auxiliary output circuit of the high voltage side

32 Short to battery positive or an open in the control lamp circuit CEL or SEL

33 High voltage turbocharger input

34 Low voltage turbocharger input

35 High voltage input oil pressure sensor

36 Low voltage at the input of the oil pressure sensor

37 High voltage at the input of the fuel pressure sensor

38 Low voltage at the input of the fuel pressure sensor

39 Power loss in power mode

39 No response from EGR valve

39 No response from the turbine geometrical change drive

39 Drive for geometrical changes in turbine max. Provisions

39 low airflow

39 no communication between EGR valve and turbine geometry change actuator

41 Excessive SRS Signals (Missing TRS)

42 Few SRS Signals (Missing SRS)

43 Low coolant

44 High temperature of oil, coolant, intercooler or intake air

45 Low oil pressure

46 ECM battery low voltage

47 High pressure fuel, intake air or turbocharger

48 Low fuel pressure or intake air

52 Malfunction of the analog-to-digital converter ECM

53 ECM non-volatile memory failure

54 Faulty vehicle speed sensor

55 Data link failure J1939

56 Data link failure J1587

Diagnostic errors DETROIT DIESEL

57 Data link failure J1922

58 Torque overload

61 Injector actuation delay

62 Short to positive battery. open circuit or mechanical damage to auxiliary output

63 Short to positive battery or open circuit of the PWM driver

64 Malfunction at the input of the turbocharger speed sensor input

65 Malfunction at the input of the throttle position sensor

66 Fault at the input of the knock sensor

67 Malfunction at the inlet of the coolant pressure sensor or intake air

68 Short to ground or an open in the idle switch circuit

71 Premature nozzle actuation

72 Vehicle Speeding

73 Fault at gas valve position input or ESS

74 Short to ground in the protective circuit of optimized idle speed

75 High voltage in the ECM battery

76 Overspeed during engine braking

77 High fuel temperature

81 High voltage signal oil level, crankcase pressure, the beginning of gas-diesel injection or exhaust gas temperature

82 Low voltage signal of oil level, crankcase pressure, start of gas-diesel injection or exhaust gas temperature

83 High oil, crankcase pressure, exhaust gas temperature, or external pump pressure

84 Low oil level or crankcase pressure

85 Overspeed

86 High voltage at the input of an external pump or barometric pressure sensor

87 Low voltage at the input of an external pump or barometric pressure sensor

88 Low coolant pressure