WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) DISPLAYS MAIN CODE 53 AND ANY SUB CODE (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

2-1677