KNOWN INFO
TEST OPTIONS
YES
NO
Are transmission auxiliary
oil cooler fins free from dirt,
mud, or other debris?
Visual Inspection
REASON FOR QUESTION
Transmission may overheat if
auxiliary oil cooler fins are
plugged with debris which will
cause WTEC III TPSS to display
main code 24 and/or 33 sub
code 23.
5.
TM 9-2320-366-20-2
2-1734.2
Change 1
f25. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
24 AND/OR 33 AND ANY SUB CODE (CONT)
Transmission oil level OK.
Fuse OK.
Batteries OK.
Engine does not overheat.
Transmission oil cooler tubes
OK.
Transmission oil cooler OK.
POSSIBLE PROBLEMS
Faulty transmission auxiliary oil
cooler.
Faulty transmission oil filters.
Faulty WTEC III cab
transmission harness.
Faulty transmission external
wiring harness.
Faculty WTEC III transmission
ECU.
Clean transmission auxiliary oil cooler
fins.