GM Service Manual Online
For 1990-2009 cars only

Check

Causes

DEFINITION: The transmission only provides second and third gear in Drive range. The shift pattern as the vehicle accelerates from a stop is 2-2-3-3.

Control Valve Body Accumulator Assembly

    • 1-2 SS valve stuck applied
    • Spacer plate or gaskets are mispositioned or damaged

Winter Mode active

Shorted switch or circuit