No First Gear. GMC Truck Yukon

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2008 🢒 Yukon - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 2ML70 🢒 No First Gear

Checks

Causes

1-3 Clutch Assembly

•	Inspect for damaged 1-3 clutch piston assembly.

•	Inspect for worn or damaged 1-3 splines.

Drive Motor with Generator Position 2

•	Inspect splines.

•	Inspect HV connections.

Hybrid Low 1-2 Clutch Assembly

•	Inspect for damaged 1-2 clutch piston assembly.

•	Inspect for worn or damaged 1-2 splines.