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TM 9-2320-366-20-2
f10. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 57 AND ANY SUB CODE
CAUTION
Read CAUTION
KNOWN INFO
TEST OPTIONS
on following page.
2.
Resistance Test or
Transmission oil level OK.
STE/ICE-R Test #91
Fuse OK.
Is 2 ohms (or less) resistance
REASON FOR QUESTION
Batteries OK.
present from connector
WTEC II cab transmission
If resistance is greater than 2
P119h to P119j?
harness OK.
ohms, WTEC II TEPSS is faulty.
Transmission external wiring
harness OK.
Control valve module OK.
POSSIBLE PROBLEMS
Faulty WTEC II TEPSS.
Faulty C3 pressure switch.
NO
Replace WTEC II TEPSS
YES
(para 8-2).
Notify DS Maintenance.
2-1642
Change 1
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