TM 9-2320-365-20-3 8-5.   WTEC III CODE READING AND CODE CLEARING PROCEDURES (CONT) Table 8-2.   WTEC III Diagnostic Code List and Description (Cont) MAIN CODE SUB CODE DESCRIPTION PERFORM TROUBLESHOOTING TASK 22 14 15 16 Engine speed sensor reasonableness test Turbine speed sensor reasonableness test Output speed sensor reasonableness test f22 f23 f24 23 ANY Shift selector fault f39 24 ANY Sump oil temperature, cold/hot f25 25 ANY Output speed reasonableness test, detected at 0 speed f32 32 ANY C3 pressure switch open f26 33 ANY Sump oil temperature sensor failed low/high f25 34 ANY Calibration compatibility or check sum fault Replace WTEC III transmission ECU (para 8-7). 35 ANY Power interruption f27 and f37. If fault persists, replace WTEC III transmission ECU (para 8-7). 36 ANY Hardware/software not compatible Replace WTEC III transmission ECU (para 8-7). 42 ANY Short to battery, solenoid circuit f27 44 ANY Short to ground, solenoid circuit f27 45 ANY Open circuit, solenoid circuit f27 51 ANY Offgoing ratio test (during shift) f31 52 ANY Offgoing C3PS test (during shift) f28 53 ANY Offgoing speed test (during shift) f33 54 ANY Oncoming ratio test (after shift) f34 55 ANY Oncoming C3PS test (after shift) f35 56 ANY Range verification test f36 57 ANY Range verification C3PS test f29 69 27 ECU malfunction f27. If fault persists, replace WTEC III transmission ECU (para 8-7). 69 28 ECU malfunction f27. If fault persists, replace WTEC III transmission ECU (para 8-7). 8-16 Change 1