2. EEM4 Troubleshoot Stage V

• 2.1. EEM4 general instructions
• 2.2. Fault Codes StageV
  • 2.2.1. SPN 100, FMI 1, Oil pressure sensor: Pressure CRITICAL LOW
  • 2.2.2. SPN 100, FMI 15, Oil pressure ABOVE NORMAL (>9,5bar/30°C)
  • 2.2.3. SPN 100, FMI 18, Oil pressure sensor: Pressure LOW
  • 2.2.4. SPN 100, FMI 3, Oil pressure sensor: Electrical signal above normal, possible reason is open circuit
  • 2.2.5. SPN 100, FMI 4, Oil pressure sensor: Electrical signal below normal, possible reason is short to ground
  • 2.2.6. SPN 102, FMI 1, Boost pressure sensor: Pressure below normal.
  • 2.2.7. SPN 102, FMI 10, Boost pressure sensor: Pressure drop too high at cranking.
  • 2.2.8. SPN 102, FMI 14, Boost pressure sensor: Pressure signal is not plausible.
  • 2.2.9. SPN 102, FMI 19, Boost pressure sensor: Pressure out of range.
  • 2.2.10. SPN 102, FMI 2, Boost Pressure sensor: Communication error.
  • 2.2.11. SPN 105, FMI 16, Intake air temperature sensor: ABOVE NORMAL (90°C)
  • 2.2.12. SPN 105, FMI 19, Intake air temperature sensor: Temperature out of range.
  • 2.2.13. SPN 1076, FMI 14, MPROP control: Open circuit.
  • 2.2.14. SPN 1076, FMI 3, MPROP control: High side short circuit to HIGH SOURCE.
  • 2.2.15. SPN 1076, FMI 4, MPROP control: Low side short circuit to GROUND.
  • 2.2.16. SPN 1076, FMI 5, MPROP control: Low side short circuit to HIGH SOURCE.
  • 2.2.17. SPN 1076, FMI 6, MPROP control: High side short circuit to GROUND.
  • 2.2.18. SPN 1077, FMI 31, MPROP control: ECU power stage over temperature.
  • 2.2.19. SPN 107, FMI 18, Air filter pressure: Pressure BELOW NORMAL.
  • 2.2.20. SPN 107, FMI 31, Air filter pressure: Sensor active at init state.
  • 2.2.21. SPN 108, FMI 3, Ambient pressure sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.22. SPN 108, FMI 4, Ambient pressure sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.23. SPN 109, FMI 1, Coolant pressure sensor: Pressure below normal.
  • 2.2.24. SPN 109, FMI 3, Coolant pressure sensor voltage above normal or open circuit
  • 2.2.25. SPN 109, FMI 4, Coolant pressure sensor voltage below normal
  • 2.2.26. SPN 110, FMI 0, Coolant temperature sensor: Temperature HIGH, ALARM.
  • 2.2.27. SPN 110, FMI 16, Coolant temperature sensor: Temperature ABOVE NORMAL
  • 2.2.28. SPN 110, FMI 17, Coolant temperature sensor: Signal not plausible.
  • 2.2.29. SPN 110, FMI 3, Coolant temperature sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.30. SPN 110, FMI 4, Coolant temperature sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.31. SPN 111, FMI 1, Coolant level low.
  • 2.2.32. SPN 1132, FMI 3, Intake manifold 1 air temperature sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.33. SPN 1132, FMI 4, Intake manifold 1 air temperature sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.34. SPN 1136, FMI 0, ECU temperature sensor: Over temperature HIGH, ALARM 1
  • 2.2.35. SPN 1136, FMI 3, ECU temperature sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.36. SPN 1136, FMI 31, ECU temperature sensor: Over temperature HIGH, ALARM 2
  • 2.2.37. SPN 1136, FMI 4, ECU temperature sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.38. SPN 1188, FMI 11, WG Actuator 1: Wrong angular span value measured during learn (ERROR 4)
  • 2.2.39. SPN 1188, FMI 12, WG Actuator 1: Re-learn deviation (ERROR 26)
  • 2.2.40. SPN 1188, FMI 13, WG Actuator 1: Calibration error (ERROR 11)
  • 2.2.41. SPN 1188, FMI 14, WG Actuator 1: Learn deviation (ERROR 25)
  • 2.2.42. SPN 1188, FMI 16, WG Actuator 1: Span too high (ERROR 24)
  • 2.2.43. SPN 1188, FMI 18, WG Actuator 1: Span too low (ERROR 23)
  • 2.2.44. SPN 1239, FMI 31, Rail pressure monitoring: Leakage detected at load condition.
  • 2.2.45. SPN 1240, FMI 31, Rail pressure monitoring: Leakage detected at low idle.
  • 2.2.46. SPN 132, FMI 15, Air mass sensor: Volumetric Efficiency Too High
  • 2.2.47. SPN 132, FMI 17, Air mass sensor: Volumetric Efficiency Too Low
  • 2.2.48. SPN 132, FMI 19, Air mass sensor: CAN communication timeout.
  • 2.2.49. SPN 132, FMI 31, Air mass sensor: Intake O2 reading not within threshold with both NOx sensors O2 readings
  • 2.2.50. SPN 1381, FMI 16, Fuel supply pump inlet pressure sensor: Pressure above normal
  • 2.2.51. SPN 1381, FMI 18, Fuel supply pump inlet pressure sensor: Pressure below normal.
  • 2.2.52. SPN 1381, FMI 3, Fuel supply pump inlet pressure sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.53. SPN 1381, FMI 4, Fuel supply pump inlet pressure sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.54. SPN 1485, FMI 31, ECU main relay: Early opening at previous afterrun.
  • 2.2.55. SPN 157, FMI 0, Rail pressure monitoring: Pressure above normal.
  • 2.2.56. SPN 157, FMI 1, Rail pressure monitoring: Positive pressure deviation, not possible to reduce rail pressure.
  • 2.2.57. SPN 157, FMI 15, Rail pressure monitoring: Positive pressure deviation.
  • 2.2.58. SPN 157, FMI 16, Rail Pressure control: Pressure CRITICAL HIGH.
  • 2.2.59. SPN 157, FMI 17, Rail pressure monitoring: Negative rail pressure deviation during zero fuel delivery.
  • 2.2.60. SPN 157, FMI 18, Rail pressure monitoring: Pressure below normal.
  • 2.2.61. SPN 157, FMI 20, Rail Pressure control: Pressure raw value is above maximum offset.
  • 2.2.62. SPN 157, FMI 21, Rail Pressure control: Pressure raw value is below minimum offset.
  • 2.2.63. SPN 157, FMI 3, Rail pressure control: Electrical signal above normal, possible reason is open circuit.
  • 2.2.64. SPN 157, FMI 31, Rail Pressure control: Pressure ABOVE NORMAL.
  • 2.2.65. SPN 157, FMI 4, Rail pressure control: Electrical signal below normal, possible reason is short to ground.
  • 2.2.66. SPN 1639, FMI 19, Fan speed request CAN signal missing.
  • 2.2.67. SPN 168, FMI 0, Battery voltage: Voltage ABOVE NORMAL (>17V(12V)) (>32V(24V)).
  • 2.2.68. SPN 168, FMI 1, Battery voltage: Voltage BELOW NORMAL (<7,8V).
  • 2.2.69. SPN 168, FMI 16, Battery voltage: Powerstages could be disabled due to high Battery voltage.
  • 2.2.70. SPN 168, FMI 18, Battery voltage: Powerstages could be disabled due to low Battery voltage.
  • 2.2.71. SPN 171, FMI 13, Ambient temperature sensor: Signal not plausible.
  • 2.2.72. SPN 171, FMI 3, Ambient temperature sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.73. SPN 171, FMI 4, Ambient temperature sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.74. SPN 174, FMI 0, Fuel temperature sensor: Temperature HIGH, ALARM (>85°C)
  • 2.2.75. SPN 174, FMI 3, Fuel temperature sensor: Electrical signal above normal, possible reason is open circuit
  • 2.2.76. SPN 174, FMI 4, Fuel temperature sensor: Electrical signal below normal, possible reason is short to ground
  • 2.2.77. SPN 175, FMI 0, Oil temperature sensor: Temperature critical HIGH
  • 2.2.78. SPN 175, FMI 1, Oil temperature sensor: Temperature too LOW
  • 2.2.79. SPN 175, FMI 16, Oil temperature sensor: Temperature HIGH warning
  • 2.2.80. SPN 175, FMI 3, Oil temperature sensor: Electrical signal above normal, possible reason is open circuit
  • 2.2.81. SPN 175, FMI 4, Oil temperature sensor: Electrical signal below normal, possible reason is open circuit.
  • 2.2.82. SPN 1761, FMI 1, DEF tank level sensor: DEF tank empty.
  • 2.2.83. SPN 1761, FMI 11, DEF tank level sensor: General sensor error.
  • 2.2.84. SPN 1761, FMI 16, DEF tank level sensor: DEF level too high.
  • 2.2.85. SPN 1761, FMI 18, DEF tank level sensor: Low DEF level.
  • 2.2.86. SPN 1761, FMI 31, DEF tank level sensor: AT1TI1 CAN message missing.
  • 2.2.87. SPN 1761, FMI 3, DEF tank level sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.88. SPN 1761, FMI 4, DEF tank level sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.89. SPN 1761, FMI 7, DEF tank level sensor: DEF level too low.
  • 2.2.90. SPN 190, FMI 16, Engine protection: Engine speed ABOVE NORMAL.
  • 2.2.91. SPN 2659, FMI 1, EGR valve: Circulation mass flow rate below normal
  • 2.2.92. SPN 2791, FMI 0, EGR valve: Temperature alert
  • 2.2.93. SPN 2791, FMI 10, EGR valve: Initialization error
  • 2.2.94. SPN 2791, FMI 11, EGR valve: Wrong angular span value measured during learn
  • 2.2.95. SPN 2791, FMI 13, EGR valve: Calibration error
  • 2.2.96. SPN 2791, FMI 31, EGR valve: Not present
  • 2.2.97. SPN 2791, FMI 9, EGR valve: Communication error
  • 2.2.98. SPN 27, FMI 13, EGR valve: Mechanical fault
  • 2.2.99. SPN 27, FMI 17, EGR valve: Position deviation
  • 2.2.100. SPN 28, FMI 3, Accelerator pedal 3: Electrical signal above normal, possible reason is open circuit.
  • 2.2.101. SPN 28, FMI 4, Accelerator pedal 3: Electrical signal below normal, possible reason is short to ground.
  • 2.2.102. SPN 29, FMI 3, Accelerator pedal 2: Electrical signal above normal, possible reason is open circuit.
  • 2.2.103. SPN 29, FMI 4, Accelerator pedal 2: Electrical signal below normal, possible reason is short to ground.
  • 2.2.104. SPN 3031, FMI 0, DEF tank temperature monitoring: DEF tank temperature ABOVE normal.
  • 2.2.105. SPN 3031, FMI 10, DEF tank temperature monitoring: Abnormal rate of change at heating cycle.
  • 2.2.106. SPN 3031, FMI 11, DEF tank temperature sensor general error
  • 2.2.107. SPN 3031, FMI 14, DEF tank maximum defrost time exceeded.
  • 2.2.108. SPN 3031, FMI 16, DEF tank temperature monitoring: DEF tank temperature is too high.
  • 2.2.109. SPN 3031, FMI 17, DEF tank temperature monitoring: DEF tank temperature below normal.
  • 2.2.110. SPN 3031, FMI 3, DEF tank temperature sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.111. SPN 3031, FMI 4, DEF tank temperature sensor: Electrical signla below normal, possible reason is short to ground.
  • 2.2.112. SPN 3216, FMI 0, Upstream NOx sensor: NOx signal above HIGH limit
  • 2.2.113. SPN 3216, FMI 1, Upstream NOx sensor: NOx signal above HIGH limit
  • 2.2.114. SPN 3216, FMI 2, Upstream NOx sensor: Concentration out of range or erroneous signal
  • 2.2.115. SPN 3217, FMI 2, Upstream NOx sensor: Actual O2 factor not in range or erroneous signal
  • 2.2.116. SPN 3218, FMI 14, Upstream NOx sensor: Supply voltage error
  • 2.2.117. SPN 3218, FMI 2, Upstream NOx sensor: Power status signal not in range or erroneous signal
  • 2.2.118. SPN 3218, FMI 8, Upstream NOx sensor: Heater ratio not in range or erroneous signal
  • 2.2.119. SPN 3219, FMI 12, Upstream NOx sensor: Sensor heater is not heated fast enough.
  • 2.2.120. SPN 3219, FMI 2, Upstream NOx sensor: Temperature signal not in range or erroneous signal
  • 2.2.121. SPN 3219, FMI 7, Upstream NOx sensor: Heater not available
  • 2.2.122. SPN 3220, FMI 11, Upstream NOx sensor: NOx status signal not in range or erroneous signal
  • 2.2.123. SPN 3220, FMI 12, Upstream NOx sensor: NOx signal not valid after heater release in an appropriate time.
  • 2.2.124. SPN 3221, FMI 2, Upstream NOx sensor: O2 signal stability error
  • 2.2.125. SPN 3224, FMI 11, Upstream NOx sensor: DLC Error of CAN Receive Frame AT1IG1
  • 2.2.126. SPN 3224, FMI 19, Upstream NOx sensor: Not present
  • 2.2.127. SPN 3226, FMI 0, Downstream NOx sensor: Nox signal above HIGH limit
  • 2.2.128. SPN 3226, FMI 1, Downstream NOx sensor: NOx signal below LOW limit
  • 2.2.129. SPN 3226, FMI 10, Downstream NOx sensor: NOx signal not in range or erroneous signal.
  • 2.2.130. SPN 3226, FMI 2, Downstream NOx sensor: Concentration out of range or erroneous signal
  • 2.2.131. SPN 3227, FMI 2, Downstream NOx sensor: Actual O2 factor not in range or erroneous signal
  • 2.2.132. SPN 3228, FMI 14, Downstream NOx sensor: Supply voltage error
  • 2.2.133. SPN 3228, FMI 2, Downstream NOx sensor: Power status signal not in range or erroneous signal
  • 2.2.134. SPN 3229, FMI 12, Downstream NOx sensor: Sensor heater is not heated fast enough.
  • 2.2.135. SPN 3229, FMI 2, Downstream NOx sensor: Temperature signal not in range or erroneous signal
  • 2.2.136. SPN 3229, FMI 7, Downstream NOx sensor: Heater not available
  • 2.2.137. SPN 3229, FMI 8, Downstream NOx sensor: Heater ratio not in range or erroneous signal
  • 2.2.138. SPN 3230, FMI 11, Downstream NOx sensor: NOx status signal not in range or erroneous signal
  • 2.2.139. SPN 3230, FMI 12, Downstream NOx sensor: NOx signal not valid after heater release in an appropriate time.
  • 2.2.140. SPN 3231, FMI 2, Downstream NOx sensor: O2 signal stability error
  • 2.2.141. SPN 3224, FMI 11, Downstream NOx sensor: DLC Error of CAN Receive Frame AT1OG1
  • 2.2.142. SPN 3224, FMI 19, Downstream NOx sensor: Not present
  • 2.2.143. SPN 3251, FMI 0, Particle filter difference pressure sensor: Pressure value too HIGH
  • 2.2.144. SPN 3251, FMI 3, Particle filter difference pressure sensor: Voltage above normal
  • 2.2.145. SPN 3251, FMI 31, Particle filter difference pressure sensor: Hoseline monitoring failure, possible reason hoseline leakage
  • 2.2.146. SPN 3251, FMI 4, Particle filter difference pressure sensor: Voltage below normal
  • 2.2.147. SPN 3253, FMI 31, Particle filter difference pressure sensor: Hoseline monitoring failure, possible reason hoseline leakage.
  • 2.2.148. SPN 3361, FMI 14, DEF dosing valve: Current abnormal behaviour
  • 2.2.149. SPN 3361, FMI 3, DEF dosing valve: Low side short circuit to HIGH SOURCE
  • 2.2.150. SPN 3361, FMI 31, DEF dosing valve: ECU power stage over temperature
  • 2.2.151. SPN 3361, FMI 4, DEF pump direction valve: Low side short circuit to GROUND
  • 2.2.152. SPN 3361, FMI 5, DEF dosing valve: High side short circuit to HIGH SOURCE or open load
  • 2.2.153. SPN 3361, FMI 6, DEF dosing valve: Low side short circuit to GROUND or open load
  • 2.2.154. SPN 3362, FMI 7, SCR system: DEF pressure line or dosing valve blocked
  • 2.2.155. SPN 3363, FMI 14, DEF tank heater: Coolant valve solenoid high side short circuit to HIGH SOURCE.
  • 2.2.156. SPN 3363, FMI 3, DEF tank heater: Coolant valve solenoid low side short circuit to HIGH SOURCE.
  • 2.2.157. SPN 3363, FMI 31, DEF tank heater: Coolant valve low side power stage over temperature.
  • 2.2.158. SPN 3363, FMI 4, DEF tank heater: Coolant valve solenoid high side short circuit to GROUND.
  • 2.2.159. SPN 3363, FMI 5, DEF tank heater: Coolant valve solenoid low side open circuit.
  • 2.2.160. SPN 3363, FMI 6, DEF tank heater: Coolant valve solenoid low side short circuit to GROUND.
  • 2.2.161. SPN 3509, FMI 31, 5Vdc Supply: Voltage out of range in supply 1
  • 2.2.162. SPN 3510, FMI 31, 5Vdc Supply: Voltage out of range in supply 2
  • 2.2.163. SPN 3511, FMI 31, 5Vdc Supply: Voltage out of range in supply 3
  • 2.2.164. SPN 3516, FMI 11, DEF quality sensor: General error
  • 2.2.165. SPN 3516, FMI 15, DEF quality sensor: DEF concentration too high
  • 2.2.166. SPN 3516, FMI 17, DEF quality sensor: DEF concentration not valid
  • 2.2.167. SPN 3516, FMI 19, DEF quality sensor: Aftertreatment 1 Diesel Exhaust Fluid Information -message not present
  • 2.2.168. SPN 3516, FMI 2, DEF quality sensor: Optical error
  • 2.2.169. SPN 3516, FMI 31, DEF quality: DEF concentration measurement error
  • 2.2.170. SPN 3519, FMI 3, DEF tank temperature sensor: Open circuit detected in sensor.
  • 2.2.171. SPN 3519, FMI 4, DEF tank temperature sensor: Short circuit detected in sensor.
  • 2.2.172. SPN 3521, FMI 14, DEF quality: Fluid quality unknown
  • 2.2.173. SPN 3521, FMI 15, DEF quality: Concentration HIGH warning
  • 2.2.174. SPN 3521, FMI 16, DEF quality: Urea concentration too high
  • 2.2.175. SPN 3521, FMI 17, DEF quality: DEF Concentration too low
  • 2.2.176. SPN 3521, FMI 18, DEF quality: Urea concentration too low
  • 2.2.177. SPN 3521, FMI 2, DEF quality: DEF property detection error
  • 2.2.178. SPN 3521, FMI 31, DEF quality: Fluid is Diesel
  • 2.2.179. SPN 3532, FMI 3, DEF tank level sensor: Open circuit detected in sensor.
  • 2.2.180. SPN 3532, FMI 4, DEF tank level sensor: Short circuit detected in sensor.
  • 2.2.181. SPN 3969, FMI 0, Particle filter: Regeneration needed-Service level
  • 2.2.182. SPN 3969, FMI 13, Particle filter: Service required, ash level too high.
  • 2.2.183. SPN 3969, FMI 14, Particle filter: Service required, ash level too high.
  • 2.2.184. SPN 3696, FMI 16, Particle filter: Regeneration needed-Service level
  • 2.2.185. SPN 4201, FMI 2, Crankshaft speed sensor: Signal erratic, too much noise pulses.
  • 2.2.186. SPN 4201, FMI 31, Crankshaft speed sensor: Signal missing.
  • 2.2.187. SPN 4332, FMI 0, SCR system: DEF over pressure detected
  • 2.2.188. SPN 4332, FMI 1, SCR system: DEF pressure build up failure
  • 2.2.189. SPN 4332, FMI 12, SCR system: Emergency shutoff was performed due heating system error(s)
  • 2.2.190. SPN 4332, FMI 31, SCR system: Emptying not completed at previous shutdown
  • 2.2.191. SPN 4332, FMI 7, SCR system: DEF backflow line blocked or implausible
  • 2.2.192. SPN 4334, FMI 0, SCR system: DEF dosing pressure above normal
  • 2.2.193. SPN 4334, FMI 1, SCR system: DEF dosing pressure below normal
  • 2.2.194. SPN 4334, FMI 3, DEF pressure sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.195. SPN 4334, FMI 31, SCR system: DEF pressure stabilisation failure
  • 2.2.196. SPN 4334, FMI 4, DEF pressure sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.197. SPN 4334, FMI 8, SCR system: DEF pressure reduction failure
  • 2.2.198. SPN 4337, FMI 2, DEF pump temperature: Signal duty cycle in invalid range
  • 2.2.199. SPN 4337, FMI 8, DEF pump temperature: Signal duty cycle in failure range
  • 2.2.200. SPN 4340, FMI 3, DEF suction line heater: Heater short circuit to HIGH SOURCE.
  • 2.2.201. SPN 4340, FMI 31, DEF suction line heater: ECU power stage over temperature.
  • 2.2.202. SPN 4340, FMI 4, DEF suction line heater: Heater short circuit to GROUND.
  • 2.2.203. SPN 4340, FMI 5, DEF suction line heater: Heater open circuit.
  • 2.2.204. SPN 4342, FMI 3, DEF backflow line heater: Heater short circuit to HIGH SOURCE.
  • 2.2.205. SPN 4342, FMI 31, DEF backflow line heater: ECU power stage over temperature.
  • 2.2.206. SPN 4342, FMI 4, DEF backflow line heater: Heater short circuit to GROUND.
  • 2.2.207. SPN 4342, FMI 5, DEF backflow line heater control circuit open circuit
  • 2.2.208. SPN 4344, FMI 12, DEF supply module: Temperature measurement module is not responding
  • 2.2.209. SPN 4344, FMI 2, DEF supply module: Heater temperature signal in invalid range
  • 2.2.210. SPN 4344, FMI 3, DEF supply module heater: Contorl circcuit short circuit to HIGH SOURCE.
  • 2.2.211. SPN 4344, FMI 31, DEF supply module heater: ECU power stage over temperature.
  • 2.2.212. SPN 4344, FMI 4, DEF supply module heater: Control circuit short circuit to GROUND.
  • 2.2.213. SPN 4344, FMI 5, DEF supply module heater: Open circuit.
  • 2.2.214. SPN 4344, FMI 7, DEF supply module: Heater temperature signal in failure range
  • 2.2.215. SPN 4346, FMI 3, DEF pressure line heater: Heater short circuit to HIGH SOURCE.
  • 2.2.216. SPN 4346, FMI 31, DEF pressure line heater: ECU power stage over temperature.
  • 2.2.217. SPN 4346, FMI 4, DEF pressure line heater: Heater short circuit to GROUND.
  • 2.2.218. SPN 4346, FMI 5, DEF pressure line heater: Heater open circuit.
  • 2.2.219. SPN 4359, FMI 0, Particle filter upstream pressure sensor: Pressure above normal
  • 2.2.220. SPN 4359, FMI 1, Particle filter upstream pressure sensor: Pressure below normal.
  • 2.2.221. SPN 4359, FMI 13, Particle filter upstream pressure sensor: Plausibility error during afterrun.
  • 2.2.222. SPN 4359, FMI 3, Particle filter upstream pressure sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.223. SPN 4359, FMI 4, Particle filter upstream pressure sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.224. SPN 4359, FMI 7, Particle filter upstream pressure sensor: Plausibility error during running state.
  • 2.2.225. SPN 4360, FMI 2, SCR catalyst inlet gas temp sensor: Value out of the limits during engine running.
  • 2.2.226. SPN 4360, FMI 3, SCR catalyst inlet gas temp sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.227. SPN 4360, FMI 4, SCR catalyst inlet gas temp. sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.228. SPN 4360, FMI 7, SCR catalyst inlet gas temp sensor: Value out of the limits during engine start.
  • 2.2.229. SPN 4360, FMI 9, SCR catalyst inlet gas temp sensor: Temperature value frozen.
  • 2.2.230. SPN 4363, FMI 2, SCR catalyst outlet gas temp sensor: Value out of the limits during engine running.
  • 2.2.231. SPN 4363, FMI 3, SCR catalyst outlet gas temp sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.232. SPN 4363, FMI 4, SCR catalyst outlet gas temp. sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.233. SPN 4363, FMI 7, SCR catalyst outlet gas temp sensor: Value out of the limits during engine start.
  • 2.2.234. SPN 4363, FMI 9, SCR catalyst outlet gas temp sensor: Temperature value frozen.
  • 2.2.235. SPN 4374, FMI 14, DEF pump motor: Permanent speed deviation detected.
  • 2.2.236. SPN 4374, FMI 31, DEF pump motor: Pump not available for actuation, possible reason is open circuit.
  • 2.2.237. SPN 4375, FMI 3, DEF pump motor: Control signal short circuit to HIGH SOURCE.
  • 2.2.238. SPN 4375, FMI 31, DEF pump motor control powerstage over temperature
  • 2.2.239. SPN 4375, FMI 4, DEF pump motor: Control signal short circuit to GROUND.
  • 2.2.240. SPN 4375, FMI 5, DEF pump motor: Control signal current below normal or open circuit.
  • 2.2.241. SPN 4376, FMI 3, DEF pump direction valve: Low side short circuit to HIGH SOURCE
  • 2.2.242. SPN 4376, FMI 31, DEF pump direction valve: Low side ECU power stage over temperature
  • 2.2.243. SPN 4376, FMI 4, DEF pump direction valve: Low side short circuit to GROUND
  • 2.2.244. SPN 4376, FMI 5, DEF pump direction valve: Low side current below normal or open circuit
  • 2.2.245. SPN 4753, FMI 3, DOC inlet temp sensor: Electrical signal above normal, possible reason is open circuit.
  • 2.2.246. SPN 4753, FMI 4, DOC inlet temp sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.247. SPN 4753, FMI 7, DOC inlet temperature sensor: Value out of the limits during engine start.
  • 2.2.248. SPN 4753, FMI 9, DOC inlet temperature sensor: Temperature value frozen.
  • 2.2.249. SPN 4754, FMI 10, DOC outlet temperature sensor: Value out of limits during engine running.
  • 2.2.250. SPN 4754, FMI 20, DOC outlet temperature sensor: Temperature above normal.
  • 2.2.251. SPN 4754, FMI 3, DOC outlet temperature sensor: Electrical signal above normal.
  • 2.2.252. SPN 4754, FMI 4, DOC outlet temperature sensor: Electrical signal below normal, possible reason is open circuit.
  • 2.2.253. SPN 4754, FMI 7, DOC outlet temperature sensor: Value out of limits during engine start.
  • 2.2.254. SPN 4754, FMI 9, DOC outlet temperature sensor: Temperature value frozen.
  • 2.2.255. SPN 4792, FMI 0, EAT Monitoring: Clogged SCR
  • 2.2.256. SPN 4795, FMI 12, Particle filter: DPF removal detected (Pressure based)
  • 2.2.257. SPN 5025, FMI 2, Upstream NOx sensor: NOx gain correction signal not in range or erroneous signal
  • 2.2.258. SPN 5026, FMI 2, Upstream NOx sensor: NOx offset correction signal not in range or erroneous signal
  • 2.2.259. SPN 5027, FMI 2, Upstream NOx sensor: Lambda pressure correction signal not in range or erroneous signal
  • 2.2.260. SPN 5028, FMI 2, Upstream NOx sensor: NOx pressure correction signal not in range or erroneous signal
  • 2.2.261. SPN 5029, FMI 2, Upstream NOx sensor: NO2 correction signal not in range or erroneous signal
  • 2.2.262. SPN 5030, FMI 2, Upstream NOx sensor: NH3 correction signal not in range or erroneous signal
  • 2.2.263. SPN 5032, FMI 2, Downstream NOx sensor: NOx gain correction signal not in range or erroneous signal
  • 2.2.264. SPN 5033, FMI 2, Downstream NOx sensor: NOx offset correction signal not in range or erroneous signal
  • 2.2.265. SPN 5034, FMI 2, Downstream NOx sensor: Lambda pressure correction signal not in range or erroneous signal
  • 2.2.266. SPN 5035, FMI 2, Downstream NOx sensor: NOx pressure correction signal not in range or erroneous signal
  • 2.2.267. SPN 5036, FMI 2, Downstream Nox sensor: NO2 correction signal not in range or erroneous signal
  • 2.2.268. SPN 5037, FMI 2, Downstream NOx sensor: NH3 correction signal not in range or erroneous signal
  • 2.2.269. SPN 51, FMI 0, Throttle valve 1: Short circuit to battery 1.
  • 2.2.270. SPN 51, FMI 1, Throttle valve 1: Short circuit to ground 1.
  • 2.2.271. SPN 51, FMI 13, Throttle valve 1: Calibration error.
  • 2.2.272. SPN 51, FMI 16, Throttle valve 1: Short circuit to battery 2.
  • 2.2.273. SPN 51, FMI 18, Throttle valve 1: Short circuit to ground 2.
  • 2.2.274. SPN 51, FMI 3, Throttle valve 1: Voltage Above Normal.
  • 2.2.275. SPN 51, FMI 3, Throttle valve 1: Voltage Below Normal.
  • 2.2.276. SPN 51, FMI 5, Throttle valve 1: Open load.
  • 2.2.277. SPN 520201, FMI 19, CAN BUS: CAN B Bus Off (Private)
  • 2.2.278. SPN 520202, FMI 3, ECU internal main relay: Relay1 Short circuit to HIGH SOURCE
  • 2.2.279. SPN 520204, FMI 3, ECU internal main relay: Relay3 Short circuit to HIGH SOURCE
  • 2.2.280. SPN 520206, FMI 31, ECU monitoring: injector driver IC is defect.
  • 2.2.281. SPN 520207, FMI 18, Rail Pressure control: Pressure BELOW normal in limp home mode.
  • 2.2.282. SPN 520209, FMI 31, ECU monitoring: Error in the plausibility of the injection energizing time
  • 2.2.283. SPN 520210, FMI 12, ECU monitoring: Error in the plausibility of the start of energising angles
  • 2.2.284. SPN 520211, FMI 31, ECU monitoring: injector driver IC is defect.
  • 2.2.285. SPN 520212, FMI 31, ECU monitoring: Fault detected in microcontroller ADC monitoring function.
  • 2.2.286. SPN 520213, FMI 31, ECU monitoring: Analog to digital converter operation failure.
  • 2.2.287. SPN 520214, FMI 31, ECU monitoring: Analog to digital converter operation failure.
  • 2.2.288. SPN 520215, FMI 31, ECU monitoring: Communication failure in microcontroller monitoring function
  • 2.2.289. SPN 520216, FMI 31, ECU monitoring: Microcontroller Monitoring / SPI communication error
  • 2.2.290. SPN 520217, FMI 31, ECU monitoring: Microcontroller Monitoring / ROM test error
  • 2.2.291. SPN 520217, FMI 31, ECU monitoring: Microcontroller Monitoring / CPU response error
  • 2.2.292. SPN 520219, FMI 31, ECU monitoring: Microcontroller Monitoring / Error in shut-off path test.
  • 2.2.293. SPN 520220, FMI 31, ECU monitoring: Microcontroller Monitoring / Response time error
  • 2.2.294. SPN 520221, FMI 31, ECU monitoring: Microcontroller Monitoring / SPI communication error
  • 2.2.295. SPN 520222, FMI 31, ECU monitoring: Under voltage error on CJ945 powerstage IC.
  • 2.2.296. SPN 520223, FMI 31, ECU monitoring: Failure in injector actuation test.
  • 2.2.297. SPN 520224, FMI 31, ECU monitoring: Microcontroller Monitoring / Shut-off path test timeout.
  • 2.2.298. SPN 520225, FMI 31, ECU monitoring: Failure in injector actuation test.
  • 2.2.299. SPN 520226, FMI 31, ECU monitoring: Microcontroller Monitoring / Error in shut-off path test.
  • 2.2.300. SPN 520227, FMI 31, ECU monitoring: Over voltage error on CJ945 powerstage IC.
  • 2.2.301. SPN 520228, FMI 12, ECU monitoring: Power supply IC communication error
  • 2.2.302. SPN 520230, FMI 31, Engine specification mismatch.
  • 2.2.303. SPN 520240, FMI 31, Injector bank monitoring: ECU 1 Injector bank 0 short circuit
  • 2.2.304. SPN 520241, FMI 31, Injector bank monitoring: ECU 1 Injector bank 1 short circuit
  • 2.2.305. SPN 520242, FMI 31, Injector bank monitoring: ECU 1 Injector bank 2 short circuit
  • 2.2.306. SPN 520247, FMI 31, CAN BUS: All periodic TX messages cannot be allocated a send buffer in at least one timeslot.
  • 2.2.307. SPN 520260, FMI 31, ECU monitoring: CY146 H-bridge IC error
  • 2.2.308. SPN 520261, FMI 31, ECU monitoring: CY146 H-bridge IC error
  • 2.2.309. SPN 520262, FMI 31, ECU monitoring: CY146 H-bridge IC error
  • 2.2.310. SPN 520263, FMI 31, ECU monitoring: CY146 H-bridge IC error
  • 2.2.311. SPN 520264, FMI 31, ECU monitoring: CY146 H-bridge IC error
  • 2.2.312. SPN 520295, FMI 31, ECU monitoring: The energising times of the 0 fuel quantity calibration ZFC are tested on their plausible value ranges.
  • 2.2.313. PN 520297, FMI 31, CAN BUS: Signal error for CAN message.
  • 2.2.314. PN 520298, FMI 31, CAN BUS: Signal error for CAN message.
  • 2.2.315. SPN 520301, FMI 31, ECU monitoring: Implausible wave correction parts of the injection quantity correction.
  • 2.2.316. SPN 520302, FMI 31, ECU monitoring: Rail pressure plausibility error
  • 2.2.317. SPN 520303, FMI 31, ECU monitoring: Error in between the permissible inner engine torque and the current plausible actual torque.
  • 2.2.318. SPN 520307, FMI 16, Rail Pressure control: Pressure ABOVE measurable range.
  • 2.2.319. SPN 520309, FMI 31, Rail Pressure control: Maximum over pressure protection mode entries reached.
  • 2.2.320. SPN 520312, FMI 31, Rail Pressure control: Maximum time in limp home state is exceeded.
  • 2.2.321. SPN 520317, FMI 31, Rail Pressure control: Pressure reduction interrupted.
  • 2.2.322. SPN 520318, FMI 31, Rail Pressure control: Pressure deviation in limp home mode.
  • 2.2.323. SPN 520319, FMI 0, Rail Pressure control: Pressure out of range in limp home mode.
  • 2.2.324. SPN 520320, FMI 16, Rail Pressure control: Pressure ABOVE normal in limp home mode.
  • 2.2.325. SPN 520354, FMI 3, Pressure Control Valve: Low side short circuit to HIGH SOURCE
  • 2.2.326. SPN 520354, FMI 4, Pressure Control Valve: Low side short circuit to GROUND
  • 2.2.327. SPN 520356, FMI 3, Pressure Control Valve: High side short circuit to HIGH SOURCE
  • 2.2.328. SPN 520356, FMI 4, Pressure Control Valve: High side short circuit to GROUND
  • 2.2.329. SPN 520358, FMI 31, Pressure Control Valve: ECU power stage over temperature
  • 2.2.330. SPN 520359, FMI 31, Pressure Control Valve: Open circuit
  • 2.2.331. SPN 520380, FMI 31, ECU monitoring: Implausible accelerator pedal voltage.
  • 2.2.332. SPN 520382, FMI 12, Air mass sensor: Absolute Pressure sensor defective.
  • 2.2.333. SPN 520383, FMI 12, Air mass sensor: Differential Pressure sensor defective.
  • 2.2.334. SPN 520384, FMI 14, Air mass sensor: Temperature sensor defective.
  • 2.2.335. SPN 520384, FMI 16, Air mass sensor: Over temperature warning.
  • 2.2.336. SPN 520388, FMI 31, Rail Pressure control: Over pressure protection mode activated.
  • 2.2.337. SPN 520393, FMI 19, CAN BUS: CAN C Bus Off (Ancillary)
  • 2.2.338. SPN 521022, FMI 31, EAT Monitoring: Possible exhaust line temperature sensor interchange
  • 2.2.339. SPN 521023, FMI 31, EAT Monitoring: Possible exhaust line NOx sensor interchange
  • 2.2.340. SPN 521025, FMI 31, EAT Monitoring: SCR efficiency not OK
  • 2.2.341. SPN 522062, FMI 31, ECU monitoring: MSC-Error of a R2S2
  • 2.2.342. SPN 522067, FMI 31, ECU monitoring: Timer error of stop counter
  • 2.2.343. SPN 522300, FMI 31, ECU monitoring: Blank shot injection quantity plausibility error.
  • 2.2.344. SPN 522377, FMI 31, ECU internal fault: EEPPROM read error
  • 2.2.345. SPN 522378, FMI 31, ECU monitoring: EEPPROM read error
  • 2.2.346. SPN 522379, FMI 31, ECU monitoring: EEPPROM write error
  • 2.2.347. SPN 522441, FMI 31, ECU monitoring: “WDA active” due to communication problem.
  • 2.2.348. SPN 522442, FMI 31, ECU monitoring: “ABE active” due to undervoltage detection.
  • 2.2.349. SPN 522443, FMI 31, ECU monitoring: “ABE active” due to overvoltage detection.
  • 2.2.350. SPN 522444, FMI 31, ECU monitoring: “ABE/WDA active” reason unknown.
  • 2.2.351. SPN 522455, FMI 19, Downstream NOx sensor: AT1OGC2Rx Frame Timeout Error
  • 2.2.352. SPN 522456, FMI 2, NOx sensor: TxPGNRQ Frame Timeout Error
  • 2.2.353. SPN 522457, FMI 19, NOx sensor: NOxSensGlbReqTx Frame Timeout Error
  • 2.2.354. SPN 522458, FMI 19, Upstream NOx sensor: AT1IGC2Rx Frame Timeout Error
  • 2.2.355. SPN 522459, FMI 19, Downstream NOx sensor: AT1OGC1Rx Frame Timeout Error
  • 2.2.356. SPN 522460, FMI 12, Upstream NOx sensor: Control unit detects an short circuit in sensor probe.
  • 2.2.357. SPN 521025, FMI 31, EAT Monitoring: SCR catalyst calculated sulphur loading exceeded
  • 2.2.358. SPN 522461, FMI 19, Upstream NOx sensor: AT1IGC1Rx Frame Timeout Error
  • 2.2.359. SPN 522462, FMI 12, Downstream NOx sensor: Control unit detects an short circuit in sensor probe.
  • 2.2.360. SPN 522463, FMI 12, Upstream NOx sensor: Control unit detects an open circuit between sensor and SCU.
  • 2.2.361. SPN 522464, FMI 12, Downstream NOx sensor: Control unit detects an open circuit between sensor and SCU.
  • 2.2.362. SPN 522471, FMI 31, EAT Monitoring: Possible exhaust line differential pressure sensor interchange
  • 2.2.363. SPN 5370, FMI 2, WG Actuator 1: Position deviation (ERROR 3)
  • 2.2.364. SPN 5372, FMI 0, WG Actuator 1 temperature alert (ERROR 1)
  • 2.2.365. SPN 5451, FMI 14, WG Actuator 1: Initialization error (ERROR 6)
  • 2.2.366. SPN 5451, FMI 19, WG Actuator 1: Communication error (ERROR 7)
  • 2.2.367. SPN 5451, FMI 31, WG Actuator 1: Not present
  • 2.2.368. SPN 5451, FMI 4, WG Actuator 1 short cut (ERROR 21)
  • 2.2.369. SPN 5491, FMI 14, DEF heater relay: Short circuit to HIGH SOURCE.
  • 2.2.370. SPN 5491, FMI 31, DEF heater relay: ECU power stage over temperature.
  • 2.2.371. SPN 5491, FMI 4, DEF heater relay: Heater short circuit to ground.
  • 2.2.372. SPN 5491, FMI 5, DEF heater relay: Open circuit.
  • 2.2.373. SPN 626, FMI 3, Grid heater relay voltage above normal or short to high SOURCE.
  • 2.2.374. SPN 626, FMI 5, Grid heater relay current below normal or open circuit.
  • 2.2.375. SPN 626, FMI 6, Grid heater relay current above normal or shorted to GROUND.
  • 2.2.376. SPN 639, FMI 19, CAN BUS: CAN A Bus Off (Powertrain)
  • 2.2.377. SPN 651, FMI 13, Engine injector cylinder #1: Calibration value missing
  • 2.2.378. SPN 651, FMI 14, Engine injector cylinder #1: Short circuit
  • 2.2.379. SPN 651, FMI 5, Engine injector cylinder #1: Current below normal: Open circuit
  • 2.2.380. SPN 652, FMI 13, Engine injector cylinder #2: Calibration value missing
  • 2.2.381. SPN 652, FMI 14, Engine injector cylinder #2: Short circuit
  • 2.2.382. SPN 652, FMI 5, Engine injector cylinder #2: Current below normal: Open circuit
  • 2.2.383. SPN 653, FMI 13, Engine injector cylinder #3: Calibration value missing
  • 2.2.384. SPN 653, FMI 14, Engine injector cylinder #3: Short circuit
  • 2.2.385. SPN 653, FMI 5, Engine injector cylinder #3: Current below normal: Open circuit
  • 2.2.386. SPN 654, FMI 13, Engine injector cylinder #4: Calibration value missing
  • 2.2.387. SPN 654, FMI 14, Engine injector cylinder #4: Short circuit
  • 2.2.388. SPN 654, FMI 5, Engine injector cylinder #4: Current below normal: Open circuit
  • 2.2.389. SPN 655, FMI 13, Engine injector cylinder #5: Calibration value missing
  • 2.2.390. SPN 655, FMI 14, Engine injector cylinder #5: Short circuit
  • 2.2.391. SPN 655, FMI 5, Engine injector cylinder #5: Current below normal: Open circuit
  • 2.2.392. SPN 656, FMI 13, Engine injector cylinder #6: Calibration value missing
  • 2.2.393. SPN 656, FMI 14, Engine injector cylinder #6: Short circuit
  • 2.2.394. SPN 656, FMI 5, Engine injector cylinder #6: Current below normal: Open circuit
  • 2.2.395. SPN 657, FMI 13, Engine injector cylinder #7: Calibration value missing
  • 2.2.396. SPN 657, FMI 14, Engine injector cylinder #7: Short circuit
  • 2.2.397. SPN 657, FMI 5, Engine injector cylinder #7: Current below normal: Open circuit
  • 2.2.398. SPN 723, FMI 2, Cam speed sensor: Number and/or position of the camshaft pulses implausible - disturbed signal.
  • 2.2.399. SPN 723, FMI 31, Cam speed sensor: Signal missing.
  • 2.2.400. SPN 723, FMI 8, Cam speed sensor: Signal offset between crankshaft and camshaft too large
  • 2.2.401. SPN 91, FMI 3, Accelerator pedal 1: Electrical signal above normal, possible reason is open circuit.
  • 2.2.402. SPN 91, FMI 4, Accelerator pedal 1: Electrical signal below normal, possible reason is short to ground.
  • 2.2.403. SPN 94, FMI 16, Fuel main filter pressure sensor: Pressure above normal.
  • 2.2.404. SPN 94, FMI 18, Fuel main filter inlet pressure sensor: Pressure below normal
  • 2.2.405. SPN 94, FMI 3, Fuel main filter inlet pressure sensor: Electrical signal above normal, possible reason is open circuit
  • 2.2.406. SPN 94, FMI 31, Fuel main filter inlet pressure sensor: ALARM, Pressure out of safe operating range.
  • 2.2.407. SPN 94, FMI 4, Fuel main filter inlet pressure sensor: Electrical signal below normal, possible reason is short to ground.
  • 2.2.408. SPN 97, FMI 31, Water in fuel.
  • 2.2.409. SPN 98, FMI 16, Oil level sensor: Oil level too HIGH
  • 2.2.410. SPN 98, FMI 18, Oil level sensor: Oil level too LOW
  • 2.2.411. SPN 98, FMI 3, Oil level sensor: Electrical signal above normal, possible reason is open circuit
  • 2.2.412. SPN 98, FMI 4, Oil level sensor: Electrical signal below normal, possible reason is short to ground
• 2.3. Engine Components
• 2.4. Engine aftertreatment
  • 2.4.1. DeNOX components
    • 2.4.1.1. Supply module
    • 2.4.1.2. Dosing module
    • 2.4.1.3. Tank Sensor (CAN)
    • 2.4.1.4. Tank Sensor (Analog)
    • 2.4.1.5. Tank heating valve
    • 2.4.1.6. SCR line heaters
  • 2.4.2. EAT Sensors
    • 2.4.2.1. NOx
    • 2.4.2.2. Exhaust gas temperature
    • 2.4.2.3. Diesel particulate filter (DPF) difference pressure sensor
    • 2.4.2.4. Diesel particle filter (DPF) upstream pressure sensor
• 2.5. Air System
  • 2.5.1. EGR actuator ( Exhaust Gas Recirculation)
  • 2.5.2. Electrical throttle valve
  • 2.5.3. Electrical Waste Gate
• 2.6. Injection
  • 2.6.1. 3-cyl engine injector harness
  • 2.6.2. 4-cyl engine injector harness
  • 2.6.3. 6-cyl engine injector harness
  • 2.6.4. 7-cyl engine injector harness
  • 2.6.5. Pressure Control Valve (PCV)
  • 2.6.6. Common Rail high Pressure Pump (MPROP)
• 2.7. Engine electrical
  • 2.7.1. Intake Air Heater
  • 2.7.2. Start Relay
  • 2.7.3. Engine ECU power supply
  • 2.7.4. Stage V CAN bus overview
• 2.8. ECU Replacement Procedure