Section 1 (Automatic Transmission - 6T45 (MH7) - Description And Operation)
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission General Description
- Transmission Component and System Description
- Manual Mode Description and Operation
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Q8 Control Solenoid Valve Assembly
- Pressure Control Solenoid Valve - Normally Low
- Pressure Control Solenoid Valve - Normally High
- On/Off Solenoid Valve - Normally Closed
- Circuit/System Description - Solenoid Valves
- Q27A Pressure Control Solenoid Valve 1
- Q27B Pressure Control Solenoid Valve 2
- Q27C Pressure Control Solenoid Valve 3
- Q27D Pressure Control Solenoid Valve 4
- Q27E Pressure Control Solenoid Valve 5
- Q32A Shift solenoid Valve 1
- Temperature Sensor
- B15 Transmission Internal Mode Switch
- Input Speed Sensor (ISS)
- Output Speed Sensor (OSS)
- Non-Shifting Clutch Function Verification Description
- Park - Engine Running (Gen 2/Hybrid)
- Reverse (Gen 2/Hybrid)
- Neutral - Engine Running (Gen 2/Hybrid)
- Drive Range, First Gear Engine Braking (Gen 2/Hybrid)
- Drive Range, First Gear (Gen 2/Hybrid)
- Drive Range, Second Gear (Gen 2/Hybrid)
- Drive Range, Third Gear (Gen 2/Hybrid)
- Drive Range, Fourth Gear (Gen 2/Hybrid)
- Drive Range, Fourth Gear Default (Gen 2/Hybrid)
- Drive Range, Fifth Gear (Gen 2/Hybrid)
- Drive Range, Fifth Gear Default (Gen 2)
- Drive Range, Sixth Gear (Gen 2/Hybrid)
- Fluid Passages (Gen 2/Hybrid)
- Torque Converter and Differential Housing - Case Side
- Fluid Pump Body - Fluid Pump Cover Side
- Fluid Pump Cover - Fluid Pump Body Side
- Case - Torque Converter and Differential Housing Side
- Case - Control Valve Body Side
- Control Valve Body Spacer Plate Assembly - Case Side
- Control Valve Body - Case Side
- Control Valve Body - Channel Plate Side
- Channel Plate to Valve Body Spacer Plate Assembly - Channel Plate Side
- Channel Plate - Control Valve Body Side
- Channel Plate - Control Solenoid (w/Body and TCM) Valve Assembly Side
- Control Solenoid (w/Body and TCM) Valve Assembly - Channel Plate Side