Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Description And Operation

• Description and Operation
  • Definitions and Abbreviations
    • Throttle Positions
    • Shift Condition Definitions
    • Noise Conditions
    • Driver Shift Control
    • Transmission Abbreviations
  • Transmission Identification Information
  • Control Valve Solenoid Body Identification Information
  • Transmission General Description
  • Transmission Component and System Description
  • Manual Mode Description and Operation
    • Manual Mode Shifting Operation
  • Transmission Adaptive Functions
  • Transmission Indicators and Messages
  • Electronic Component Description
    • Common Electronic Component Description
    • Non-ETRS Electronic Component Description
    • ETRS Equipped Electronic Component Description
    • ETRS System Operation
    • 9TXX ETRS Component Application Chart
  • Mechanical Powerflow from the Torque Converter to the Turbine Shaft - Engine Running
    • Notes
    • Mechanical Powerflow from The Torque Converter To The Turbine Shaft - Engine Running
  • Park - Engine Running (Hydraulic Circuits Without ETRS)
    • Notes
    • Fluid Pressure Directed in Preparation for a Shift
    • Park - Engine Running - A/T System Hydraulic Diagram
  • Park - Engine Running (Hydraulic Circuits With ETRS)
    • Notes
    • Fluid Pressure Directed in Preparation for a Shift
    • Park - Engine Running - A/T System Hydraulic Diagram
  • Park - Engine Running (Mechanical Powerflow)
    • Notes
    • Park - Engine Running
  • Reverse (Hydraulic Circuits Without ETRS)
    • Notes
    • Fluid Pressure Directed In Preparation For a Shift
    • 5-7 Reverse Clutch Applies
    • SOWC Servo Piston Applies
    • Reverse - A/T System Hydraulic Diagram
  • Reverse (Hydraulic Circuits With ETRS)
    • Notes
    • Fluid Pressure Directed In Preparation For a Shift
    • 5-7 Reverse Clutch Applies
    • SOWC Servo Piston Applies
    • Reverse - A/T System Hydraulic Diagram
  • Reverse (Mechanical Powerflow)
    • Notes
    • Reverse
  • Neutral - Engine Running (Hydraulic Circuits Without ETRS)
    • Notes
    • 5-7 Reverse Clutch Releases
    • SOWC Servo Piston Releases
    • Neutral - Engine Running - A/T System Hydraulic Diagram
  • Neutral - Engine Running (Hydraulic Circuits With ETRS)
    • Notes
    • 5-7 Reverse Clutch Releases
    • SOWC Servo Piston Releases
    • Neutral - Engine Running - A/T System Hydraulic Diagram
  • Neutral - Engine Running (Mechanical Powerflow)
    • Notes
    • Neutral - Engine Running
  • Drive Range, First Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • Fluid Pressure Is Directed To The 1-2-3-4-5-6 Clutch Assembly
    • 1-2-3-4-5-6 Clutch Applies
    • Drive Range, First Gear - A/T System Hydraulic Diagram
  • Drive Range, First Gear (Hydraulic Circuits With ETRS)
    • Notes
    • Fluid Pressure Is Directed To The 1-2-3-4-5-6 Clutch Assembly
    • 1-2-3-4-5-6 Clutch Applies
    • Drive Range, First Gear - A/T System Hydraulic Diagram
  • Drive Range, First Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, First Gear
  • Drive Range, Second Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 2-9 Clutch Applies
    • Drive Range, Second Gear - A/T System Hydraulic Diagram
  • Drive Range, Second Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 2-9 Clutch Applies
    • Drive Range, Second Gear - A/T System Hydraulic Diagram
  • Drive Range, Second Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Second Gear
  • Drive Range, Third Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 3-8 Clutch Applies
    • 2-9 Clutch Releases
    • Drive Range, Third Gear - A/T System Hydraulic Diagram
  • Drive Range, Third Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 3-8 Clutch Applies
    • 2-9 Clutch Releases
    • Drive Range, Third Gear - A/T System Hydraulic Diagram
  • Drive Range, Third Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Third Gear
  • Drive Range, Fourth Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 4th Clutch Applies
    • 3-8 Clutch Releases
    • Drive Range, Fourth Gear - A/T System Hydraulic Diagram
  • Drive Range, Fourth Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 4th Clutch Applies
    • 3-8 Clutch Releases
    • Drive Range, Fourth Gear - A/T System Hydraulic Diagram
  • Drive Range, Fourth Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Fourth Gear
  • Drive Range, Fifth Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 5-7 Reverse Clutch Applies
    • 4th Clutch Releases
    • Drive Range, Fifth Gear - A/T System Hydraulic Diagram
  • Drive Range, Fifth Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 5-7 Reverse Clutch Applies
    • 4th Clutch Releases
    • Drive Range, Fifth Gear - A/T System Hydraulic Diagram
  • Drive Range, Fifth Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Fifth Gear
  • Drive Range, Sixth Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 1 Reverse & 6-7-8-9 Clutch Applies
    • 5-7 Reverse Clutch Releases
    • Torque Converter Clutch (TCC) Applies
    • Drive Range, Sixth Gear - A/T System Hydraulic Diagram
  • Drive Range, Sixth Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 1 Reverse & 6-7-8-9 Clutch Applies
    • 5-7 Reverse Clutch Releases
    • Torque Converter Clutch (TCC) Applies
    • Drive Range, Sixth Gear - A/T System Hydraulic Diagram
  • Drive Range, Sixth Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Sixth Gear
  • Drive Range, Seventh Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 5-7 Reverse Clutch Applies
    • 1-2-3-4-5-6 Clutch Releases
    • Drive Range, Seventh Gear - A/T System Hydraulic Diagram
  • Drive Range, Seventh Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 5-7 Reverse Clutch Applies
    • 1-2-3-4-5-6 Clutch Releases
    • Drive Range, Seventh Gear - A/T System Hydraulic Diagram
  • Drive Range, Seventh Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Seventh Gear
  • Drive Range, Eighth Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 3-8 Clutch Applies
    • 5-7 Reverse Clutch Releases
    • Drive Range, Eighth Gear - A/T System Hydraulic Diagram
  • Drive Range, Eighth Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 3-8 Clutch Applies
    • 5-7 Reverse Clutch Releases
    • Drive Range, Eighth Gear - A/T System Hydraulic Diagram
  • Drive Range, Eighth Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Eighth Gear
  • Drive Range, Ninth Gear (Hydraulic Circuits Without ETRS)
    • Notes
    • 2-9 Clutch Applies
    • 3-8 Clutch Releases
    • Drive Range, Ninth Gear - A/T System Hydraulic Diagram
  • Drive Range, Ninth Gear (Hydraulic Circuits With ETRS)
    • Notes
    • 2-9 Clutch Applies
    • 3-8 Clutch Releases
    • Drive Range, Ninth Gear - A/T System Hydraulic Diagram
  • Drive Range, Ninth Gear (Mechanical Powerflow)
    • Notes
    • Drive Range, Ninth Gear
  • Fluid Passages (Hydraulic Circuits Without ETRS)
    • Control Valve Solenoid Body - Fluid Pan Side
    • Control Valve Solenoid Body - Control Valve Body Side
    • Control Valve Body Spacer Plate - Control Valve Solenoid Side
    • Control Valve Body - Control Valve Solenoid Body Side
    • Control Valve Body - Case Side
    • Control Valve Body Spacer Plate - Case Side
    • Automatic Transmission Case - Control Valve Body Side
    • Automatic Transmission Case - Torque Converter Housing Side
    • Torque Converter Housing - Automatic Transmission Case Side
    • Auxiliary Control Valve Body Spacer Plate - Drive Sprocket Support Side
    • Drive Sprocket Support - Torque Converter Housing Side
    • Drive Sprocket Support - Automatic Transmission Fluid Pump Side
    • Automatic Transmission Fluid Pump Gasket - Drive Sprocket Support Side
    • Automatic Transmission Fluid Pump - Drive Sprocket Support Side
  • Fluid Passages (Hydraulic Circuits With ETRS)
    • Control Valve Solenoid Body - Fluid Pan Side
    • Control Valve Solenoid Body - Control Valve Body Side
    • Control Valve Body Spacer Plate - Control Valve Solenoid Side
    • Control Valve Body - Control Valve Solenoid Body Side
    • Control Valve Body - Case Side
    • Control Valve Body Spacer Plate - Case Side
    • Automatic Transmission Case - Control Valve Body Side
    • Automatic Transmission Case - Torque Converter Housing Side
    • Torque Converter Housing - Automatic Transmission Case Side
    • Auxiliary Control Valve Body Spacer Plate - Drive Sprocket Support Side
    • Drive Sprocket Support - Torque Converter Housing Side
    • Drive Sprocket Support - Automatic Transmission Fluid Pump Side
    • Automatic Transmission Fluid Pump Gasket - Drive Sprocket Support Side
    • Automatic Transmission Fluid Pump - Drive Sprocket Support Side