TAD1650VE, TWD1643GE
Preheating Sensor (Code 8.6, SID 70/SPN 729)
Cause Reaction Remedy
• Fault in cable harness
• Fault in preheating relay
• Preheating can not be acti-
vated
• Check the cable harness
•
Check the preheating relay
Data Link (CAN), CIU (Code 6.4, SID 231/SPN 639)
Cause Reaction Remedy
• Faulty data link (CAN), , CIU • Instruments and warning
lamps stop working
• Check that the 8-pin connec-
tor is not damaged
• Check that the cables
between the CIU and the
engine management unit are
not damaged
Data Link (CAN), EMS 2 (Code 6.5, SID 231/SPN 639/2017/PSID 201)
Cause Reaction Remedy
• Internal fault in control mod-
ule
• Engine not operating: engine
can not be started. Engine
operating: engine idles and
can only be stopped with the
auxiliary stop (AUX-stop)
• Check that the 8-pin connec-
tor is not damaged
• Check that the cables
between the CIU and the
engine management unit are
not damaged
• Check that
sleeves 11 and 12
in the connector on the CIU
are not damaged
TWD1643GE
Power Supply to Sensor (Code 9.3, SID 211/232, SPN 1079/1080)
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
TWD1643GE
Power Supply to Sensor (Code 9.3, SID 211, 232/SPN 1080, 1079)
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 boostpressure
• Check that the cable harness
to oil pressure and boost
pressure sensor has not been
damaged
• Check oil pressure and boost
pressure sensors
Fault Code Register
46 7748681 12-2011
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