Notify DS Maintenance.
Replace WTEC III transmission ECU (para 8-7).
YES
NO
3.
Is there pressure to clutch(s)
when shift is made?
TEST OPTIONS
KNOWN INFO
Transmission oil level OK.
Fuse OK.
Batteries OK.
Output speed sensor OK.
POSSIBLE PROBLEMS
Faulty WTEC III transmission
ECU.
TM 9-2320-365-20-2
2-1566 Change 1
If there is no pressure to
clutch(s) when shift is made,
WTEC III TPSS may display
main code 54 and one or
more sub codes.
REASON FOR QUESTION
Pressure Test or
STE/ICE-R Test #50
f34. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
54 AND ANY SUB CODE (CONT)