Transmission Description: Notes

The 5R55S has the following features:

• five forward speeds
• electronic shift, pressure, and torque converter clutch controls
• three compound planetary gearsets
• three bands
• three multi-plate clutches
• two one-way clutches

All hydraulic functions are directed by electronic solenoids. The solenoids control:

• static engagement feel.
• shift feel.
• shift scheduling.
• modulated torque converter clutch (TCC) applications.
• engine braking utilizing the coast clutch and band.
• manual first and second timing.
• reverse inhibit timing.