Section 17 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - Description And Operation)
WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, 2017 Chevrolet Suburban 3500 HD, and 2017 Chevrolet Suburban. 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
- Shift Stabilization Description and Operation
- Manual Mode Description and Operation
- Tow/Haul Mode Description and Operation
- Transmission Adaptive Functions
- Transmission Indicators and Messages
- Electronic Component Description
- Automatic Transmission Inline 16-Way Connector Description
- Park - Engine Running
- Reverse
- Neutral - Engine Running
- Drive Range, First Gear Engine Braking
- Drive Range, First Gear
- Drive Range, Second Gear
- Drive Range, Third Gear
- Drive Range, Third Gear Default
- Drive Range, Fourth Gear
- Drive Range, Fifth Gear
- Drive Range, Fifth Gear Default
- Drive Range, Sixth Gear
- Fluid Passages
- Torque Converter Housing - Fluid Pump Cover Side
- Fluid Pump Cover - Torque Converter Housing Side
- Fluid Pump Cover - Case Side
- Case - Top Channel Plate Side
- Control Valve Upper Body Assembly - Case Side
- Control Valve Upper Body Assembly - Bottom Channel Plate Side
- Control Valve Upper Body Assembly - Control Solenoid Valve Assembly Side
- Control Valve Lower Body Assembly - Control Valve Upper Body Assembly Side
- Control Valve Body Spacer Plate Assembly - Bottom Channel Plate Side