E3
S
.
C
.
TO BATTERY VOLTAGE AT
DISPLAY OUTPUT
TCU sends data to the
display and measures
allways 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
allways 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 can't read non volantile
memoy
TCU is defective
no reaction
OP-Mode: normal
replace TCU
often shown together
with fault code F2
F3
APPLICATION ERROR
something of this application
is wrong
transmission stay
neutral
OP-Mode: TCU
shutdown
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
shutdown
check clutch
TCU shows also the
affected clutch on the
Display
F6
C
LUTCH
A
DJUSTMENT
D
ATA
LOST
TCU was not able to read
correct clutch adjustment
parameters
interference during
saving data on non
volatile memory
TCU is brand new
no reaction,
default values = 0 for
AEB offsets used
OP-Mode: normal
execute AEB
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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