Change 1 2-1591
TM 9-2320-365-20-2
WTEC III TRANSMISSION ECU REPLACEMENT
CHECK
(1) Install replacement WTEC III transmission
ECU (para 8-7).
(2) Start engine (TM 9-2320-365-10).
(3) Check to see if main code 13 sub code 12
appears on WTEC III TPSS (para 8-5).
(4) If main code 13 sub code 12 does not
appear, replace WTEC III transmission ECU
(para 8-7).
(5) If main code 13 sub code 12 does appear,
replace WTEC III TPSS (para 8-3).
(6) Shut down engine (TM 9-2320-365-10).
(7) Install original WTEC III transmission ECU
(para 8-7).
(8) Clear diagnostic codes (para 8-5).