S0607900C
Page 30
Transmission Error Codes (ZF)
E3 S.C. to battery voltage at
display output.
TCU sends data to the display
and measures always a high
voltage level on the connector.
• Cable or connectors are
defective and are contacted to
battery voltage.
• Display has an internal
defect.
No reaction.
OP-Mode: normal.
Check the cable from
TCU to the display.
Check the
connectors at the
display.
Change display.
---------------
E4 S.C. to ground at display
output.
TCU sends data to the display
and measures always a high
voltage level on the connector.
• Cable or connectors are
defective and are contacted to
vehicle ground.
• Display has an internal
defect.
No reaction.
OP-Mode: normal.
Check the cable from
TCU to the display.
Check the
connectors at the
display.
Change display.
---------------
F1 General EEPROM fault.
TCU cannot read non volatile
memory.
• TCU is defective.
Transmission stay
neutral.
OP-Mode: TCU shut
down.
Replace TCU. Often shown
together with fault
code F2.
F2 Configuration lost.
TCU has lost the correct
configuration and can't control
the transmission.
• Interference during saving
data on non volatile memory.
• TCU is brand new or from
another vehicle.
Transmission stay
neutral.
OP-Mode: TCU shut
down.
Reprogram the
correct configuration
for the vehicle (e.g.
with cluster
controller,...).
---------------
F3 Application error.
Something of this application
is wrong.
Transmission stay
neutral.
OP-Mode: TCU shut
down.
Replace TCU! This fault occurs only
if an test engineer
did something wrong
in the application of
the vehicle.
F5 ** Clutch failure.
AEB was not able to adjust
clutch filling parameters.
• One of the AEB-Values is
out of limit.
Transmission stay
neutral.
OP-Mode: TCU shut
down.
Check clutch. TCU shows also the
affected clutch on
the Display.
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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