c66. WTEC III TRANSMISSION PUSHBUTTON SHIFT SELECTOR (TPSS) DISPLAYS MAIN CODE 42, 44, 45, 46, AND/OR 69 SUB CODE 21 (PRIOR TO SERIAL NUMBER 6510032369WITH TRANSMISSION ADAPTER CABLE ASSEMBLY) (CONT)TM 9-2320-366-34-12-806 Change 1KNOWN INFO TEST OPTIONS REASON FOR QUESTION 7.POSSIBLE PROBLEMS Resistance Test orSTE/ICE-R Test #91Faulty F solenoid.Faulty WTEC III transmissionECU.Circuit breaker OK.Batteries OK.WTEC III cab transmissionharness OK.Transmission external wiringharness OK.Transmission adapter cableassembly OK.Transmission internal wiringharness OK.Is 2.5-5.0 ohms resistancepresent from F solenoidpin A to pin B?If 2.5-5.0 ohms resistance isnot present, F solenoid isfaulty. If 2.5-5.0 ohmsresistance is present, WTEC IIItransmission ECU is faulty.NOReplace F solenoid(para 7-8).YESReplace WTEC III transmissionECU (TM 9-2320-366-20-4).
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