Dongfeng Fault Codes

P / p No.

Fault description

SPN

FMI

Fault codes

1

Internal ECM malfunction

629

12

111

2

Failed to save ECM data in the previous cycle of operation

627

2

1117

3

Signals from two engine speed sensors not detected

612

2

115

4

Intake pressure sensor ground short circuit

102

3

122

5

Short circuit to power or open circuit of the intake pressure sensor

102

4

123

6

Short circuit to the power supply of the signal 2 of the accelerator pedal

2623

3

1239

7

Short circuit to ground or open circuit of the signal 2 of the accelerator pedal

2623

4

1241

8

Inconsistency of signal 1 and signal 2 of the accelerator pedal

91

2

1242

9

Short circuit to the power supply of the signal 1 of the accelerator pedal

91

3

131

10

Short circuit to ground or open circuit of the signal 1 of the accelerator pedal

91

4

132

11

Short circuit to the power supply of the signal of the remote accelerator pedal

974

3

133

12

Short circuit to ground signal of the remote accelerator pedal

974

4

134

13

Short circuit to power supply of the oil pressure sensor

100

3

135

14

Short circuit to ground or open circuit of the oil pressure sensor

100

4

141

15

Oil pressure too high

100

18

143

16

Oil pressure too low

100

1

415

17

Incorrect oil pressure signal

100

2

435

18

Short circuit to power or open circuit of the coolant temperature sensor

110

3

144

19

Short circuit to ground of the coolant temperature sensor

110

4

145

20

Engine coolant temperature too high

110

0

151

21

Engine coolant temperature too high

110

15

2963

22

Incorrect temperature of the cooling liquid

110

2

334

23

Short circuit to power or open circuit of the intake temperature sensor

105

3

153

24

Short circuit to ground of the intake temperature sensor

105

4

154

25

Speed limitation caused by too high intake temperature

105

0

155

26

Engine torque limitation caused by too high intake temperature

105

15

2964

27

Incorrect intake temperature signal

105

2

436

28

Short circuit to ground of the urea solution level sensor

1761

4

1668

29

Short circuit to power or open circuit of the urea solution level sensor

1761

3

1669

30

Low level of urea solution

1761

18

1671

31

Too low level of urea solution

1761

1

1673

32

Short circuit to ground of the temperature sensor in the urea tank

3031

4

1677

33

Short circuit to power or open circuit of the urea tank temperature sensor

3031

3

1678

34

Incorrect urea temperature signal in the tank

3031

2

1679

35

Internal malfunction of the dosing module of the SCR system

3361

12

1681

36

External malfunction of the dosing module of the SCR system

3362

31

1682

37

Short circuit to power or open circuit of the urea tank heater

3363

3

1683

38

Short circuit to ground urea tank heater

3363

4

1684

39

The concentration of NOx incorrectly low .

3226

2

1694

40

Too high supply voltage of the sensor No. 5

3513

3

1695

41

Too low supply voltage of the sensor No. 5

3513

4

1696

42

Short circuit to ground of the air solenoid valve of the dosing module of the SCR system

3489

3

1697

43

Short circuit to power or open circuit of the air solenoid valve of the dosing module of the SCR system

3489

4

1698

44

Timeout for a message from the dosing module

3361

9

1711

45

Unsuccessful defrosting of the urea tank heater

3363

18

1712

46

Urea tank heating relay stuck

3363

16

1713

47

Intake temperature signal is unreasonable

105

ten

1848

48

Internal malfunction of the input NOx sensor

3226

4

1887

49

The high pressure fuel rail safety valve is open.

157

0

1911

50

Short circuit to power or open circuit of the coolant level sensor

111

3

195

51

Short circuit to ground of the coolant level sensor

111

4

196

52

A low level of the cooling liquid

111

18

197

53

Too high supply voltage of the sensor No. 4

3512

3

2185

54

Too low supply voltage of sensor No. 4

3512

4

2186

55

Short circuit to power supply of the air pressure sensor

108

3

221

56

Short circuit to ground or open circuit of the air pressure sensor

108

4

222

57

Incorrect value of the resistance of the solenoid valve of the metering fuel cell

633

31

2311

58

Engine speed too high

190

0

234

59

No signal from the crankshaft speed sensor

190

2

689

60

Asynchronous signals from two engine speed sensors

723

7

731

61

1 No signal from the camshaft speed sensor

723

2

778

62

Short circuit to power or open circuit of the fan control drive

647

3

2377

63

Too low supply voltage of the sensor No. 3

3511

4

238

64

Too high supply voltage of the sensor No. 3

3511

3

239

65

Loss of signal or incorrect signal of vehicle speed

84

2

241

66

Incorrect vehicle speed signal

84

10

242

67

Fan control output - short to ground

647

4

245

68

Fan control output - short to ground

729

3

2555

69

Short circuit to power or open circuit of the output on the heating relay at the inlet

729

4

2556

70

Anti - theft engine blocking

1195

2

269

71

Short circuit of the solenoid valve for fuel metering

1347

4

271

72

Breakage of the solenoid valve for fuel metering

1347

3

272

73

Timeout for a message from the NOx sensor at the outlet

3226

nine

2771

74

Emissions of NOx exceed 1st limit value for OBD

3226

15

2772

75

Emissions of NOx exceed 2nd limit value for OBD

3226

0

2773

76

Unbalanced fuel supply between engine cylinders

1347

7

281

77

J Bus Message Timeout 1939

639

nine

285

78

Incorrect messages transmitted on the J 1939 bus

639

13

286

79

Timeout for a message from the accelerator pedal

91

19

287

80

Timeout of a message from the remote accelerator pedal

974

19

288

81

Lack of communication via the data bus with the anti-theft device

625

nine

291

82

Incorrect air pressure signal

108

2

295

83

Incorrect inlet pressure signal

102

2

2973

84

Short circuit to power or open circuit of the temperature sensor at the inlet to the SCR

4360

3

3142

85

Short circuit to ground of the temperature sensor at the entrance to the SCR

4360

4

3143

86

Excessive temperature difference between inlet and outlet SCR

4360

2

3144

87

Short circuit to power or open circuit of the temperature sensor at the outlet of the SCR

4363

3

3146

88

Short circuit to ground of the temperature sensor at the outlet of the SCR

4363

4

3147

89

Absence or malfunction of the catalyst

4794

31

3151

90

The connections of the temperature sensors at the inlet to the SCR and at the outlet from the SCR are reversed

4360

13

3163

91

Engine torque limitation caused by too high SCR catalyst temperature .

4360

15

3164

92

Invalid information from real time clock

251

2

319

93

Malfunction in a chain of the 1st injector

651

5

322

94

Malfunction in a chain of the 5th injector

655

5

323

95

Short circuit to power or open circuit of the 1st urea heater

4340

3

3237

96

Short circuit to ground of the 1st urea heater

4340

4

3238

97

Short circuit to power or open circuit of the 2nd urea heater

4342

3

3239

98

Malfunction in a chain of the 3rd injector

653

5

324

99

Short circuit to ground of the 2nd urea heater

4342

4

3241

100

Malfunction in a chain of the 6th injector

656

5

325

101

Malfunction in a chain of the 2nd injector

652

5

331

102

Malfunction in a chain of the 4th injector

654

5

332

103

Incorrect information from the real time clock or incorrectness of the time counter inside the ECM

251

10

3492

104

Injector voltage too low

627

12

351

105

The supply voltage to sensor # 1 is too low

3509

4

352

106

The supply voltage to sensor # 1 is too high

3509

3

386

107

Open CAN1 bus

639

2

426

108

Short circuit to power or open circuit of the water-in-fuel sensor

97

3

428

109

Short circuit to ground of the water-in-fuel sensor

97

4

429

110

The presence of water in the fuel

97

15

418

111

Battery voltage too low

168

18

441

112

Battery voltage too high

168

16

442

113

Short circuit to fuel pressure sensor supply

157

3

451

114

Short circuit to ground or open circuit of the fuel pressure sensor

157

4

452

115

Incorrect operation of the exhaust gas bypass valve

1188

7

545

116

High fuel pressure

157

16

553

117

Constant fuel pressure signal

157

2

554

118

Low fuel pressure

157

18

559

119

Short circuit to ground of the relay of blocking of starting

677

3

584

120

Short circuit to power or open in the start blocking relay circuit

677

4

585

121

Generator output voltage too high

167

16

596

122

Generator output voltage too low

167

18

597

123

Extremely low generator output voltage

167

1

598

124

Changing the engine oil

1378

31

649

125

Short circuit to power or open circuit of the internal temperature sensor ECM

1136

3

697

126

Short circuit to ground of the internal temperature sensor ECM

1136

4

698

127

Incorrect ECM internal temperature sensor signal

1136

2

699

128

Short circuit to power or open circuit of the ambient temperature sensor

171

3

249

129

Short circuit to ground of the ambient temperature sensor

171

4

256

130

Incorrect ambient temperature signal

171

2

2398

131

Defective urea tank heating

3363

7

3242

132

Open circuit at the output to the booster pump at low fuel pressure

1075

3

2265

133

Short circuit at the output to the booster pump at low fuel pressure

1075

4

2266

134

Incorrect oil level signal

98

2

252

135

Low oil level

98

1

253

136

Low oil level

98

17

471

137

High oil level

98

0

688

138

The presence of water in the fuel

97

16

1852

139

Short to ground at the motor brake control terminal

1073

4

2363

140

Short circuit to power or open circuit at the output of the engine brake control

1073

3

2367

141

Short circuit to power or open circuit of the signal 1 of the solenoid valve for engine braking control

1072

3

2182

142

Short circuit to ground signal 1 of the engine brake control solenoid valve

1072

4

2183

143

A low level of the cooling liquid

111

17

2448

144

Incorrect internal temperature of the urea pump

3361

2

2976

145

High catalyst temperature

4363

15

3236

146

Exceeding the waiting time for the signal from the switch when adjusting low idle speed

91

9

3326

147

Malfunction in the power supply to the NOx sensor

3228

2

3681

148

Timeout of engine auxiliary messages

2884

9

3735

149

Incorrect data inside ECM

630

12

3697

150

The actual ratio of air to fuel in the engine is below the limit

102

18

125

151

Engine coolant temperature too high

110

16

146

152

Short circuit to ground at the output of the mountain brake

1074

4

2369

153

Short circuit to power or open circuit at the output of the mountain brake

1074

3

2371