Engine JAC HFC4DA1-2C. Instruction - page 27

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

107

Section IV. DTC List

S/N DTC

Meaning

1

P0030

The linear oxygen sensor heater circuit is open.

2

P0031

The linear oxygen sensor heater circuit is short to ground.

3

P0032

The linear oxygen sensor heater circuit is short to battery.

4

P0045

EGR valve circuit is open.

5

P0046

Overtemperature of EGR valve bridge-H chip

6

P0047

EGR valve circuit is short to ground.

7

P0048

EGR valve circuit is short to power supply.

8

P0068

Short-term drifting error in the process of throttle offset self-adaption

9 P0069

The absolute difference between intercooler downstream air pressure and ambient
pressure is unreliable.

10

P0070

Reliability check function for ambient temperature

11

P0072

Too low ambient temperature

12

P0073

Too high ambient temperature

13

P0087

The minimum rail pressure is below the lower limit.

14

P0088

The maximum rail pressure is above the upper limit.

15

P0097

The signal level of intercooler downstream temperature is too low.

16

P0098

The signal level of intercooler downstream temperature is too high.

17

P00BE

The original value of fuel rail pressure is incoherent.

18

P0100

The supply voltage of air flow sensor exceeds the limit.

19

P0101

Timeout error of air flow sensor hardware signal

20

P0102

The sensitivity deviation of air flow sensor is below the lower limit.

21

P0103

The sensitivity deviation of air flow sensor is above the upper limit.

22

P010C

The signal level measured by air flow sensor is too low.

23

P010D

The signal level measured by air flow sensor is too high.

24

P0112

The voltage is below the lower limit of intake air temperature sensor.

25

P0113

The voltage is above the upper limit of intake air temperature sensor.

26

P0116

Error reported in dynamic reliability test of coolant temperature sensor

27

P0117

Coolant temperature signal level is too low (downstream).

28 P0118

Coolant

temperature

signal level is too high (downstream).

29

P0119

Error reported in static reliability test of coolant temperature sensor

30

P0122

The signal level of accelerator pedal position sensor 1 is relatively low.

31

P0123

The signal level of accelerator pedal position sensor 1 is relatively high.

32

P0127

The signal level of air temperature sensor is relatively high.

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

108

S/N DTC

Meaning

33

P0128

Closed-loop control is actuated due to too low coolant temperature.

34

P0131

Oxygen sensor IAIPUNVG point is short to ground.

35

P0132

Oxygen sensor IAIPUNVG point is short to battery.

36

P0168

The signal level of fuel temperature sensor is relatively high.

37

P0182

The signal level of fuel temperature sensor is below the lower limit.

38

P0183

The signal level of fuel temperature sensor is above the upper limit.

39

P0191

The uncorrected rail pressure value is above the upper limit of drift.

40

P0192

The voltage of fuel rail pressure sensor is below the lower limit.

41

P0193

The voltage of fuel rail pressure sensor is above the upper limit.

42

P0194

The uncorrected rail pressure value is below the lower limit of drift.

43

P0195

Engine oil temperature signal fault on CAN

44

P0196

The oil temperature signal is unreliable.

45

P0197

The oil temperature signal level is too low.

46

P0198

The oil temperature signal level is too high.

47 P0201

The

1

st

cylinder fuel injector circuit is open.

48 P0202

The

2

nd

cylinder fuel injector circuit is open.

49 P0203

The

3

rd

cylinder fuel injector circuit is open.

50 P0204

The

4

th

cylinder fuel injector circuit is open.

51 P0205

The

5

th

cylinder fuel injector circuit is open.

52 P0206

The

6

th

cylinder fuel injector circuit is open.

53 P020A

An error is reported when the time for electrifying the 1

st

cylinder reaches to the

maximum.

54 P020B

An error is reported when the time for electrifying the 2

nd

cylinder reaches to the

maximum.

55 P020C

An error is reported when the time for electrifying the 3

rd

cylinder reaches to the

maximum.

56 P020D

An error is reported when the time for electrifying the 4

th

cylinder reaches to the

maximum.

57 P020E

An error is reported when the time for electrifying the 5

th

cylinder reaches to the

maximum.

58 P020F

An error is reported when the time for electrifying the 6

th

cylinder reaches to the

maximum.

59

P0215

Avoid resonance of double mass flywheel when stopping.

60

P0219

Overspeed protection for engine parts

61

P0222

The signal level of accelerator pedal position sensor 2 is relatively low.

62

P0223

The signal level of accelerator pedal position sensor 2 is relatively high.

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

109

S/N DTC

Meaning

63

P022A

EGR valve circuit is open.

64

P022B

EGR valve circuit is short to ground.

65

P022C

EGR valve circuit is short to power supply.

66 P022E

The signal level at the output position of EGR cooling bypass valve position sensor
is below the lower limit.

67 P022F

The signal level at the output position of EGR cooling bypass valve position sensor
is above the upper limit.

68

P0234

The actual air intake flow is greater than the target set by system.

69 P0237

The original voltage of intercooler downstream air pressure sensor is below the
lower limit.

70 P0238

The original voltage of intercooler downstream air pressure sensor is above the
upper limit.

71

P023D

The long-term jitter of EGR valve exceeds the limit.

72

P023E

The short-term jitter of EGR valve exceeds the limit.

73 P024A

An error is reported when the temperature of EGR cooler bypass valve in
electrifying phase is too high.

74 P024E

The signal level measured by EGR cooler bypass valve position sensor is below the
limit.

75 P024F

The signal level measured by EGR cooler bypass valve position sensor is above the
limit.

76

P0251

The fuel metering unit circuit is open.

77

P0252

The temperature of fuel metering unit driver module is too high.

78

P0253

The fuel metering unit circuit is short to ground.

79

P0254

The fuel metering unit circuit is short to power supply.

80

P0255

Poor contact between ECU and fuel metering unit

81

P025C

The voltage of fuel metering unit is below the lower limit.

82

P025D

The voltage of fuel metering unit is above the upper limit.

83

P0263

An error is reported when the electrifying time reaches to the maximum.

84

P0266

An error is reported when the electrifying time reaches to the maximum.

85

P0269

An error is reported when the electrifying time reaches to the maximum.

86

P0272

An error is reported when the electrifying time reaches to the maximum.

87

P0275

An error is reported when the electrifying time reaches to the maximum.

88

P0278

An error is reported when the electrifying time reaches to the maximum.

89

P0299.

The positive deviation of pressure controller is above the upper limit.

90

P0335

No signal from crankshaft

91

P0336

Crankshaft speed signal is irrational.

92

P0339

Camshaft speed signal is irrational.

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines

110

S/N DTC

Meaning

93

P0340

No signal from camshaft

94

P0341

The offset angle of camshaft is too large.

95

P0380

The preheating indicator light output circuit is high.

96

P0382

The preheating indicator light output circuit is low.

97

P0383

EGR valve circuit is short to ground.

98

P0384

EGR valve circuit is short to power supply.

99

P0401

The actual air intake flow is greater than the target set by system.

100

P0402

The actual air intake flow is less than the target set by system.

101

P0403

Overtemperature of EGR valve bridge-H chip

102

P0404

The short-term jitter of EGR valve exceeds the limit.

103

P0405

The original voltage of EGR valve sensor signal is below the lower limit.

104

P0406

The original voltage of EGR valve sensor signal is above the upper limit.

105

P0409

EGR valve circuit is open.

106

P040C

The signal level of EGR cooler downstream temperature sensor is relatively low.

107

P040D

The signal level of EGR cooler downstream temperature sensor is relatively high.

108 P0426 Upstream

temperature

fault of oxidation catalytic converter

109 P0427

The signal level of upstream temperature of oxidation catalytic converter is
relatively low.

110 P0428

The signal level of upstream temperature of oxidation catalytic converter is
relatively high.

111

P0480

EGR valve circuit is open.

112

P0481

EGR valve circuit is open.

113

P0483

Overtemperature of EGR valve bridge-H chip

114

P0484

Overtemperature of EGR valve bridge-H chip

115

P0487

CJ945 Power level no-load fault

116

P0488

CJ945 Overheating fault

117

P0489

EGR valve circuit is short to ground.

118

P0490

EGR valve circuit is short to power supply.

119 P0500 Wheel

fault

120

P0501

Unreliable vehicle speed

121

P0503

Signal of speed sensor exceeds the upper limit.

122 P0504 Unreliable

brake

signal

123

P0520

Engine oil pressure signal fault on CAN

124

P0521

The maximum oil pressure signal is unreliable.

125

P0522

The signal level of oil pressure sensor is relatively low.

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