P0751
P0751 -1-2 SHIFT SOLENOID VALVE PERFORMANCE (L61)The 1-2 shift solenoid valve (1-2 SS Valve) is a normally open exhaust valve that in conjunction with the 2-3 shift solenoid valve (2-3 SS Valve), allows four different shifting combinations. The 1-2 SS Valve is attached to the control valve body within the transaxle. The PCM monitors the actual gear ratio and compares the actual gear ratio with the commanded gear ratio. DTC P075 1 sets under these conditions: A stuck ON or OFF 1-2 SS Valve, or a stuck ON or OFF 1-2 Shift Valve.
DTC PARAMETERS
^ Engine running
^ Gear range is D4, D3, D2 or D1
^ TP angle is greater than 8%
^ Vehicle speed greater than 8 km/h (5 mph)
^ TFT is between 21° C 70° F) and 130° C (266° F)
^ Engine torque greater than 10 ft. lbs.
^ No ISS, OSS, shift solenoid electrical, TFP or TP sensor DTCs have been set
DIAGNOSTIC AIDS
^ 1-2 shift solenoid valve - stuck On or Off
^ 1-2 shift valve - solenoid is plugged