NO
YES
Replace transmission oil cooler
tubes/hoses (paras 8-11 or 8-14).
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
Damaged oil cooler
tubes/hoses may cause WTEC
II TEPSS to display main code
24 and/or 33.
KNOWN INFO
Transmission oil level OK.
Fuse OK.
Batteries OK.
Engine does not overheat.
POSSIBLE PROBLEMS
Faulty transmission oil cooler
tubes.
Faulty transmission oil cooler
hoses.
Faulty transmission oil cooler.
Faulty transmission oil filters.
Faulty WTEC II cab
transmission harness.
Faulty transmission external
wiring harness.
Faulty WTEC II TEPSS.
2.
WARNING
Read WARNING
on following page.
Are transmission oil cooler
tubes/hoses free of
damage?
TM 9-2320-365-20-2
f5. WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN
CODE 24 AND/OR 33 AND ANY SUB CODE (CONT)
2-1386 Change 1