(1) Check if main code 22 sub code 15 or
16 is logged in WTEC II TEPSS (para 8-4).
(2) If main code 22 sub code 15 or 16
is logged, WTEC II TEPSS has sensed a fault
with the turbine speed sensor, output speed
sensor, or associated circuits. Perform
Transmission System Troubleshooting (f3. WTEC
II Transmission ECU Pushbutton Shift Selector
(TEPSS) Displays Main Code 22 Sub Code 15 or
f4. WTEC II Transmission ECU Pushbutton Shift
Selector (TEPSS) Displays Main Code 22 Sub
Code 16).
CAUTION
TM 9-2320-365-20-2
Change 1 2-1445
Loose or dirty connectors may cause
intermittent loss of power to transmission
ECU and diagnostic codes to be logged.
Ensure that all connectors are clean and tight
before performing troubleshooting. Failure to
comply may result in incorrect test results.