Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2019ACADIA SLE, 2.5L ENG VIN A, FWDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSAUTOMATIC TRANSMISSION - 6T50 (M2D) - DESCRIPTION AND OPERATION
2019 GMC Acadia SLE, 2.5L Eng VIN A, FWD
Automatic Transmission - 6T50 (M2D) - Description And Operation
2019 GMC Acadia SLE, 2.5L Eng VIN A, FWDSECTION Automatic Transmission - 6T50 (M2D) - Description And Operation
- Description and Operation
- Definitions and Abbreviations
- Transmission Identification Information
- Transmission General Description (Gen 3)
- Transmission Component and System Description (Gen 3)
- 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 3)
- Reverse (Gen 3)
- Neutral - Engine Running (Gen 3)
- Drive Range, First Gear Engine Braking (Gen 3)
- Drive Range, First Gear (Gen 3)
- Drive Range, Second Gear (Gen 3)
- Drive Range, Third Gear (Gen 3)
- Drive Range, Fourth Gear (Gen 3)
- Drive Range, Fourth Gear Default (Gen 3)
- Drive Range, Fifth Gear (Gen 3)
- Drive Range, Sixth Gear (Gen 3)
- Fluid Passages (Gen 3)
- Torque Converter and Differential Housing - Case Side
- Fluid Pump Body - Fluid Pump Cover Side
- Fluid Pump Cover - Fluid Pump Side
- Fluid Pump Cover - Fluid Pump Body Side
- Fluid Pump Transfer Plate Body
- 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
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.