Section 18 (Automatic Transmission - 5L40-E/5L50-E - Description And Operation)

• Description and Operation
  • Definitions and Abbreviations
    • Throttle Positions
    • Shift Condition Definitions
    • Noise Conditions
    • Transmission Abbreviations
  • Transmission Identification Information
  • Transmission General Description
  • Transmission Component and System Description
  • Transmission Adaptive Functions
    • Notes
    • Shift Adapt Relearn Procedure
    • Coast Downshift Adapt Procedure
  • Transmission Indicators and Messages
  • Electronic Component Description
    • Transmission Control Module (TCM)
    • Transmission Manual Shift Shaft Switch Assembly (602)
    • Automatic Transmission Output Speed (A/T OSS) Sensor (42)
    • Automatic Transmission Input Speed (A/T ISS) Sensor (44)
    • Automatic Transmission Fluid Temperature (TFT) Sensor
    • Shift Solenoid Valves
    • Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve (352)
    • Pressure Control (PC) Solenoid Valve (357)
    • Duty Cycle, Frequency and Current Flow
    • Transmission Adapt Function
  • Sport/Economy Mode Operation
    • Economy Mode Operation
    • Sport Mode Operation
  • Winter Mode Operation
  • Limp Home Mode Description
  • Automatic Transmission Hydraulic Diagrams
    • Park - Engine Running
      • Notes
      • Pressure Regulation
      • Shift Accumulation
      • Torque Converter - Released Position Only
      • Safety Mode:
      • Fluid Pressure Directed in Preparation for a Shift
      • Park Engine Running - A/T System Hydraulic Diagram
    • Reverse
      • Notes
      • Pressure Regulation
      • Low and Reverse Clutch Applies
      • Reverse Clutch Applies
      • Fluid Pressure Directed in Preparation for TCC Apply
      • Reverse - A/T System Hydraulic Diagram
    • Neutral - Engine Running
      • Notes
      • Reverse Clutch Releases
      • Low and Reverse Clutch Releases
      • Neutral Engine Running - A/T System Hydraulic Diagram
    • Overdrive Range, First Gear (Before First 1-2 Shift)
      • Notes
      • Forward Clutch Applies
      • Coast Clutch Applies
      • Low and Reverse Clutch Applies
      • Fluid Pressure Directed in Preparation for a Shift to Second Gear
      • Overdrive Range, First Gear (Before First 1-2 Shift) - A/T System Hydraulic Diagram
    • Overdrive Range, First Gear (After First 1-2 Shift)
      • Notes
      • Forward Clutch Applies
      • Coast Clutch Applies
      • Fluid Pressure Directed in Preparation for a Shift to Second Gear
      • Overdrive Range, First Gear (After First 1-2 Shift) - A/T System Hydraulic Diagram
    • Overdrive Range, Second Gear
      • Notes
      • Second Clutch Applies
      • Shift Accumulator
      • Fluid Pressure Directed in Preparation for a Shift to Third Gear
      • Torque Converter Clutch Released
      • Overdrive Range, Second Gear - A/T System Hydraulic Diagram
    • Overdrive Range, Third Gear
      • Notes
      • Intermediate Clutch Applies
      • Shift Accumulation
      • Torque Converter Clutch Released
      • Fluid Pressure Directed in Preparation for a Shift to Fourth Gear
      • Overdrive Range, Third Gear - A/T System Hydraulic Diagram
    • Overdrive Range, Fourth Gear
      • Notes
      • Direct Clutch Applies
      • 3-4 Shift Accumulation
      • Coast Clutch Feed
      • Torque Converter Clutch Released
      • Fluid Pressure Directed in Preparation for a Shift to Fifth Gear
      • Overdrive Range, Fourth Gear - A/T System Hydraulic Diagram
    • Overdrive Range, Fifth Gear - Torque Converter Clutch Released
      • Notes
      • Overdrive Clutch Applied
      • 4-5 Shift Accumulation
      • Coast Clutch Releases
      • Torque Converter Clutch Released
      • Overdrive Range, Fifth Gear - Torque Converter Clutch Released - A/T System Hydraulic Diagram
    • Overdrive Range, Fifth Gear - Torque Converter Clutch Applied
      • Notes
      • Overdrive Range, Fifth Gear - Torque Converter Clutch Applied - A/T System Hydraulic Diagram
    • Manual Fourth Gear
      • Notes
      • Overdrive Clutch Releases
      • Shift Accumulation
      • Coast Clutch Applies
      • Manual Fourth Gear - A/T System Hydraulic Diagram
    • Manual Third Gear
      • Notes
      • Overdrive Clutch Applies
      • Direct Clutch Releases
      • Shift Accumulation
      • Manual Third Gear - A/T System Hydraulic Diagram
    • Manual Second Gear
      • Notes
      • Second Coast Clutch Applied
      • Overdrive Clutch Releases
      • Intermediate Clutch Releases
      • Shift Accumulation
      • Manual Second Gear - A/T System Hydraulic Diagram
    • Manual Second - First Gear
      • Notes
      • Low and Reverse Clutch Applied
      • Second Clutch and Second Coast Clutch Release
      • Shift Accumulation
      • Manual Second - First Gear - A/T System Hydraulic Diagram
  • Fluid Passages