S0607900C
Page 19
Transmission Error Codes (ZF)
76
O.C. at clutch K2.
The measured resistance
value of 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 shut
down.
Check cable from
TCU to gearbox.
Check connectors
from gearbox to
TCU.
Check regulator
resistance.
1)
Check internal wire
harness of gearbox.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
77 S.C. to battery voltage at
clutch K3.
The measured resistance
value of valve is out of limit,
voltage at K3 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
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 shut
down.
Check cable from
TCU to gearbox.
Check connectors
from gearbox to
TCU.
Check regulator
resistance.
1)
Check internal wire
harness of gearbox.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
78 S.C. to ground at clutch K3.
The measured resistance
value of valve is out of limit,
voltage at K3 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 shut
down.
Check cable from
TCU to gearbox.
Check connectors
from gearbox to
TCU.
Check regulator
resistance.
1)
Check internal wire
harness of gearbox.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
79 O.C. at clutch K3.
The measured resistance
value of 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 shut
down.
Check cable from
TCU to gearbox.
Check connectors
from gearbox to
TCU.
Check regulator
resistance.
1)
Check internal wire
harness of gearbox.
1)
See
“Measurement of
Resistance at
Actuator/sensors
and Cable” on page
35.
Fault
Code
(hex)
Meaning of the Fault Code
(Possible reason for fault
detection.)
Reaction of the
TCU
Possible Steps to
Repair
Remarks
* Only Mega 400-III PLUS
** Only Series "V"
Gray shaded boxes are error codes for other applications. They are only given for general reference purposes.
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