Power Supply Sensor (Code 9.3, SID 232/SPN 620)
Cause Reaction Remedy
• Shortcut
• Fault in sensor
• Faulty values in oil pressure
and boost pressure sensors
• Fault code for oil pressure-
and boost pressure sensor
•
Low engine output
• The instrument shows zero oil
pressure and boost pressure
• Check that the cable harness
to oil pressure and boost
pressure sensor has not been
damaged
• Check oil pressure and boost
pressure sensors
Memory Fault EMS (Code 9.9, SID 240/SPN 628)
Cause Reaction Remedy
• Memory fault in engine man-
agement system
• Engine might not start • Re-program the unit
Faulty data link (J1587) (Code 9.2, SID 250/SPN 608)
Cause Reaction Remedy
• Faulty data link • None • Check that the 8-pin connec-
tor is not damaged
• Check that the cables
between the CIU/DCU and
the engine management unit
are not damaged
Data Set Memory EEPROM, CIU (Code 9.8, SID 253/SPN 630)
Cause Reaction Remedy
• Internal fault in control mod-
ule
• Programming faulty
• Engine does not start • Re-program the control mod-
ule.
Data Set Memory EEPROM, EMS (Code 9.9, SID 253/SPN 630)
Cause Reaction Remedy
• Internal fault in control mod-
ule
•
Internal fault in control mod-
ule
• Engine does not start • Re-program the control mod-
ule. If the fault remains,
change the control module
Fault in Control Unit, CIU (Code 9.8, SID 254/SPN 629)
Cause Reaction Remedy
• Faulty EEPROM, CIU
•
Faulty flash memory, CIU
• Fault in control module, CIU
• CIU returns to factory setting
•
Engine goes to idle
• Engine can not be started
• Re- program the unit
Control Module EMS (Code 9.9, SID 254/SPN 629)
Cause Reaction Remedy
• Internal fault in control mod-
ule
• Engine misfires
•
Engine does not start
• Change engine control unit
Fault Code Register
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