Replace transmission
oil filters (para 8-9).
YES
NO
4.
Are transmission oil filters
free from damage?
TEST OPTIONS
Visual Inspection
REASON FOR QUESTION
Plugged transmission oil filters
may cause WTEC III TPSS to
display main code 24 and/or
33.
KNOWN INFO
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 oil filters.
Faulty WTEC III cab
transmission harness.
Faulty WTEC III transmission
ECU.
2-1510 Change 1
TM 9-2320-365-20-2
f25. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
24 AND/OR 33 AND ANY SUB CODE (CONT)
