79
O
.
C
.
AT CLUTCH
K3
the measured resistance
value of the valve is out of
limit.
cable / connector is
defective and has no
contact to TCU
regulator has an internal
defect
TCU shifts to neutral
OP-Mode: limp home
if failure at another
clutch is pending
TCU shifts to neutral
OP-Mode: TCU
shutdown
check the cable from
TCU to the gearbox
check the connectors
from gearbox to TCU
check the regulator
resistance
1)
check internal wire
harness of the
gearbox
1)
see chapter 4
81
S
.
C
.
TO BATTERY VOLTAGE AT
CLUTCH
K4
the measured resistance
value of the valve is out of
limit, the voltage at K4 valve
is too high.
cable / connector is
defective and has contact
to battery voltage
cable / connector is
defective and has contact
to another regulator
output of the TCU
regulator has an internal
defect
TCU shifts to neutral
OP-Mode: limp home
if failure at another
clutch is pending
TCU shifts to neutral
OP-Mode: TCU
shutdown
check the cable from
TCU to the gearbox
check the connectors
from gearbox to TCU
check the regulator
resistance
1)
check internal wire
harness of the
gearbox
1)
see chapter 4
82
S
.
C
.
TO GROUND AT CLUTCH
K4
the measured resistance
value of the valve is out of
limit, the voltage at K4 valve
is too low.
cable / connector is
defective and has contact
to vehicle ground
regulator has an internal
defect
TCU shifts to neutral
OP-Mode: limp home
if failure at another
clutch is pending
TCU shifts to neutral
OP-Mode: TCU
shutdown
check the cable from
TCU to the gearbox
check the connectors
from gearbox to TCU
check the regulator
resistance
1)
check internal wire
harness of the
gearbox
1)
see chapter 4
83
O
.
C
.
AT CLUTCH
K4
the measured resistance
value of the valve is out of
limit.
cable / connector is
defective and has no
contact to TCU
regulator has an internal
defect
TCU shifts to neutral
OP-Mode: limp home
if failure at another
clutch is pending
TCU shifts to neutral
OP-Mode: TCU
shutdown
check the cable from
TCU to the gearbox
check the connectors
from gearbox to TCU
check the regulator
resistance
1)
check internal wire
harness of the
gearbox
1)
see chapter 4
84
S
.
C
.
TO BATTERY VOLTAGE AT
CLUTCH
KV
the measured resistance
value of the valve is out of
limit, the voltage at KV valve
is too high.
cable / connector is
defective and has contact
to battery voltage
cable / connector is
defective and has contact
to another regulator
output of the TCU
regulator has an internal
defect
TCU shifts to neutral
OP-Mode: limp home
if failure at another
clutch is pending
TCU shifts to neutral
OP-Mode: TCU
shutdown
check the cable from
TCU to the gearbox
check the connectors
from gearbox to TCU
check the regulator
resistance
1)
check internal wire
harness of the
gearbox
1)
see chapter 4
Fault
Code
(hex)
MEANING OF THE FAULT
CODE
Possible reason for fault
detection
Reaction of the
TCU
Possible steps
to repair
Remarks
To Next Page
Loading...