Chrysler Repair: p0750,shift solenoid a, dorango, open transmission

Question
Have a 2001 dorango(2-wd) with engine code p0750,fluid,clean,filters new,no debri in pan,i also disconnected battery & code went away for about 3 miles & came back,only have 2-gears,limp-home mode?Can you help with possible solution,106,000 miles

Answer
P0750-LR SOLENOID CIRCUIT
possible causes

RELATED RELAY DTC’S PRESENT
INTERMITTENT WIRING AND CONNECTORS
L/R SOLENOID CONTROL CIRCUIT OPEN
TRANSMISSION RELAY OUTPUT CIRCUIT OPEN
L/R SOLENOID CONTROL CIRCUIT SHORT TO GROUND
L/R SOLENOID CONTROL CIRCUIT SHORT TO VOLTAGE
L/R- SOLENOID/TRS ASSEMBLY
TCM - L/R SOLENOID CIRCUIT