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TM-9-2320-366-20-2 MTV Unit Maintenance Manual M1083 Series - Volume 2 Download

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1. CAUTION Read CAUTION on following page. Fault corrected. YES TEST OPTIONS WTEC III Transmission ECU Reset Check REASON FOR QUESTION KNOWN INFO TM 9-2320-366-20-2 2-1762 Change 1 f30. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE 21 AND ANY SUB CODE START NO Does main code 21 repeat after code has been manually cleared and throttle counts reset? Main code 21 may appear on WTEC III TPSS if voltage from TPS WTEC III transmission ECU is temporarily lost. INITIAL SETUP Equipment Conditions Engine shut down (TM 9-2320-366-10-1). Tools and Special Tools Tool Kit, Genl Mech (Item 46, Appendix C) Multimeter, Digital (Item 22, Appendix C) STE/ICE-R (Item 41, Appendix C) References TM 9-4910-571-12&P Personnel Required (2) Faulty WTEC III cab transmission harness. Faulty TPS cable assembly. Faulty WTEC III transmission ECU. POSSIBLE PROBLEMS Fuse OK. Transmission oil level OK. Batteries OK.