Advertisement
Fault code
Meaning of the fault code
(Hex)
possible reason for fault detection
F1
General EEPROM fault
TCU can't read non volatile memory
·TCU is defective
F2
C
C
onfiguration 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
F3
A
A
pplication error
Something of this application is wrong
F5
Clutch failure
AEB was not able to adjust clutch filling
parameters
·One of the AEB-Values is out of limit
F6
Clutch adjustment data lost
TCU was not able to read correct clutch
adjustment parameters
·Interference during saving data on non
volatile memory
·TCU is brand new
Reaction of the TCU
No reaction
OP mode : Normal
Transmission stay neutral
OP mode : TCU shutdown
Transmission stay neutral
OP mode : TCU shutdown
Transmission stay neutral
OP mode : TCU shutdown
No reaction,
Default values : 0 for AEB
Offsets used
OP mode : Normal
3-35
Possible steps to repair
·
Replace TCU
※
Often shown together with fault
code F2
·
Reprogram the correct configurat-
ion for the vehicle (e.g. with cluster
controller,...)
·
Replace TCU
※
This fault occurs only if an test
engineer did something wrong in
the application of the vehicle
·
Check clutch
※
TCU shows also the affected
clutch on the display
·
Execute AEB
Advertisement
