No 2nd Gear Or Slips In 2nd Gear

Low fluid level. Low line pressure. Pressure switch assembly malfunction. 1-2 shift solenoid stuck on or plugged. 1-2 accumulator piston seal leaking. 1-2 accumulator valve stuck. 2-3 shift valve stuck in upshift position. Misaligned, loose or restricted valve body, gaskets and spacer plate, channel plate and gasket, and driven sprocket support. Channel plate or transaxle case porosity near 1-2 accumulator. 2nd clutch piston assembly cracked, leaking or binding. Clutch friction plates worn or splines broken. 2nd clutch plate spring retaining ring out of position. 2nd clutch spring binding. Driven sprocket support damaged, leaking or porous. Fluid leak or restriction in 2nd clutch fluid routing. 2nd roller clutch damaged or does not hold.