Circuit Description
The 2-3 shift solenoid is a normally-open exhaust valve that is used in conjunction with 1-2 shift solenoid, to allow 4 different shifting combinations. Solenoid is attached to control valve body. Malfunctions will occur when shift solenoid or shift valve is stuck on or off.
DTC P0756 will set when PCM detects a 4-3, 3-4 shift pattern caused by a stuck on 2-3 shift solenoid valve or stuck on 2-3 shift valve.