Charging module, 19.2 kW high-voltage

printed with the letter O; K20 in GM's other lists is a control module, a different part; 2026 lists name it "Energy Transfer Pro"; 2024: EV2X and EV3X, GM Authority 2024 changes page

SUV guide wording: Charging module, 19.2 kW high-voltage, with vehicle-to-load and vehicle-to-vehicle capability (requires additional equipment). the 2026 guide prints "Energy Transfer Pro". GM prints a letter O here; K20 in GM's other lists is a different part (the electronic control module).

letter O as GM prints it; K20 in GM's other lists is a control module, a different part; with KV7 and the accessory power bar; the 2025 guide prints "Power Station Pro" and adds vehicle-to-vehicle capability; requires additional equipment; 2026 and 2027: requires PDM on the AT4, included with YDH on the Denali; 2025: S in 5SC, 5SD; 2026: S in 4SD, 5SD; A in 4SC, 5SC; not offered in 3SB, 3SC, 5SB; 2027: S in 4SD, 5SD; A in 4SC, 5SC; not offered in 3SB, 3SC