WTEC II TRANSMISSION ECU PUSHBUTTON SHIFT SELECTOR (TEPSS) 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 logged in WTEC II TEPSS (para 8-4).

(3) If main code 24 is logged:

(a) WTEC II TEPSS has detected a sump oil

temperature above (subcode 23) or below

(subcode 12) operating limits.

(b) Troubleshoot oil cooling system followed

by sump oil temperature sensor and

circuits.

(4) If main code 33 is logged:

(a) WTEC II TEPSS has detected a fault with

sump oil temperature sensor or its circuit.

(b) Go to step 8 of this fault.

(5) Position master power switch to off (TM 9-

2320-366-10-1).

Change 1

2-1607