Replace WTEC III
transmission ECU (para 8-7).
YES
NO
Replace WTEC III TPSS (para 8-3).
6.
Does main code 13 sub
code 12 appear on WTEC III
TPSS with replacement
WTEC III transmission ECU
installed?
TEST OPTIONS
WTEC III transmission ECU
replacement check
REASON FOR QUESTION
If main code 13 sub code 12 is
not active, WTEC III
transmission ECU is faulty. If
main code 13 sub code 12 is
active, WTEC III TPSS is faulty.
KNOWN INFO
Vehicle runs.
Batteries OK.
WTEC III dashboard cable
assembly OK.
POSSIBLE PROBLEMS
Faulty WTEC III transmission
ECU.
Faulty WTEC III TPSS.
TM 9-2320-365-20-2
2-1590 Change 1
f37. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE
13 AND ANY SUB CODE (CONT)
