NO
YES
Replace transmission oil cooler
(para 8-10) and change transmission
oil (Appendix H).
3.
Is transmission oil free from
coolant contamination?
WARNING
CAUTION
Read WARNING and
CAUTION on
following page.
TEST OPTIONS
Transmission Oil Inspection
REASON FOR QUESTION
Contaminated transmission oil
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.
POSSIBLE PROBLEMS
Faulty transmission oil cooler.
Faulty transmission oil filters.
Faulty WTEC III cab
transmission harness.
Faulty WTEC III transmission
ECU.
2-1508 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)