WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE 54 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 III TPSS (para 8-5).

(2) If main code 22 sub code 15 or 16 is logged,

WTEC III transmission ECU has sensed a

fault with the turbine speed sensor, output speed

sensor, or associated circuits. Perform

Transmission System Troubleshooting (f23.

WTEC III Transmission Pushbutton Shift Selector

(TPSS) Displays Main Code 22 Sub Code 15 or

f24. WTEC III Transmission Pushbutton Shift

Selector (TPSS) Displays Main Code 22 Sub

Code 16).

Change 1

2-1789