START 1. Is main code 25 logged without main code 22 sub code 16? CAUTION Read CAUTION on following page. YES Perform Transmission System Troubleshooting (f24. WTEC III Transmission Pushbutton Shift Selector (TPSS) Displays Main Code 22 Sub Code 16). NO            TEST OPTIONS            Visual Inspection     REASON FOR QUESTION     If main code 22 sub code 16 is logged, output speed sensor or its circuit is faulty.             KNOWN INFO              Transmission oil level OK. Fuse OK. Batteries OK.        POSSIBLE PROBLEMS        Faulty WTEC III transmission ECU. INITIAL SETUP   Equipment Conditions      Engine shut down (TM 9-2320-365-10).   Tools and Special Tools     Goggles, Industrial (Item 15, Appendix C)     Tool Kit, Genl Mech (Item 44, Appendix C)     STE/ICE-R (Item 39, Appendix C)     Pan, Drain (Item 24, Appendix C)     Wrench, Torque, 0-200 lb-in. (Item 58, Appendix C)     Wrench Set, Socket (Item 49, Appendix C) TM 9-2320-365-20-2 2-1554          Change 1 f32. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE        25 AND ANY SUB CODE Materials/Parts   Packing, Preformed (Item 199, Appendix G)   Adapter, Straight, Pipe to Tube (Item 1.2, Appendix D)   Adapter, Straight, Tube to Boss (Item 1.3, Appendix D)   Hose Assembly, Nonmetallic (Item 25.1, Appendix D) Personnel Required    (2) Reference    TM 9-4910-571-12&P