WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN CODE 51 SUB CODE 10, 12, 21, 43, 45, or 65 (cont)

TM 9-2320-366-20-2

CAUTION

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.

(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).

Change 1

2-1669