WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE 24 AND/OR 33 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) Position master power switch to on

(TM 9-2320-366-10-1).

(2) Check to see if main code 24 or main code 33

is displayed on WTEC III TPSS (para 8-5).

(3) If main code 24 is displayed:

(a) WTEC III transmission ECU has detected

a sump oil temperature above (sub code 23)

or below (sub code 12) operating limits.

(b) Troubleshoot oil cooling system followed

by sump oil temperature sensor and circuits.

(4) If main code 33 is displayed:

(a) WTEC III transmission ECU has detected a

fault with sump oil temperature sensor or its

circuit.

(b) Troubleshoot electrical system.

(5) Position master power switch to off

(TM 9-2320-366-10-1).

Change 1

2-1729