24
S
.
C
.
TO GROUND OR O
.
C
.
AT
LOAD SENSOR INPUT
the measured voltage is too
low:
cable is defective and is
contacted to vehicle
ground
cable has no connection
to TCU
load sensor has an
internal defect
connector pin is contacted
to vehicle ground or is
broken
retarder function is
affected
TCU uses default load
OP-Mode: normal
check the cable from
TCU to the sensor
check the connectors
check the load sensor
sensor
check the assembly
tolerances of load
sensor
availability of retarder
depends on default load
25
S.C. TO BATTERY VOLTAGE OR
O
.
C
.
AT TRANSMISSION SUMP
TEMPERATURE SENSOR INPUT
the measured voltage is too
high:
cable is defective and is
contacted to battery
voltage
cable has no connection
to TCU
temperature sensor has
an internal defect
connector pin is contacted
to battery voltage or is
broken
no reaction,
TCU uses default
temperature
OP-Mode: normal
check the cable from
TCU to the sensor
check the connectors
check the temperature
sensor
'
26
S.C. TO GROUND AT
TRANSMISSION SUMP
TEMPERATURE SENSOR INPUT
the measured voltage is too
low:
cable is defective and is
contacted to vehicle
ground
temperature sensor has
an internal defect
connector pin is contacted
to vehicle ground
no reaction,
TCU uses default
temperature
OP-Mode: normal
check the cable from
TCU to the sensor
check the connectors
check the temperature
sensor
27
S
.
C
.
TO BATTERY VOLTAGE OR
O
.
C
.
AT RETARDER
TEMPERATURE SENSOR INPUT
the measured voltage is too
high:
cable is defective and is
contacted to battery
voltage
cable has no connection
to TCU
temperature sensor has
an internal defect
connector pin is contacted
to battery voltage or is
broken
no reaction,
TCU uses default
temperature
OP-Mode: normal
check the cable from
TCU to the sensor
check the connectors
check the temperature
sensor
Fault
Code
(hex)
MEANING OF THE FAULT
CODE
Possible reason for fault
detection
Reaction of the
TCU
Possible steps
to repair
Remarks
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