Fluid · Automatic Transmission
Automatic Transmission
for 2022 GMC Hummer EV Pickup Electric Tri-Motor · AWD
Fluid Type
GM Ultium EV drivetrain fluid
Spec: GM proprietary
Capacity
2.5qt
2.36 L
Drain & Refill
2.5 qt
2.36 L
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.
Notes
2-speed reduction gearbox. Sealed unit, no scheduled service per GM. Fluid change only if contaminated or repair performed.