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TM 9-2320-366-20-2
f18. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 56 AND ANY SUB CODE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
2.
Pressure Test or
Transmission oil level OK.
STE/ICE-R TEST #50
Fuse OK.
Is 218-276 psi
REASON FOR QUESTION
Batteries OK.
(1,503-1,903 kPa) present
Output speed sensor OK.
Low main oil pressure may
at main oil pressure tap?
Transmission turbine speed
cause WTEC II TEPSS to
sensor OK.
display main code 56 and one
POSSIBLE PROBLEMS
or more sub codes.
Faulty oil pressure pump.
Faulty control valve module.
Faulty WTEC II TEPSS.
NO
YES
Notify DS Maintenance.
2-1694
Change 1
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