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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Automatic Transmission - 5L40-E/5L50-E - Service, Diagnosis & Trouble Shooting) >> Second and Third Gears Only

Second and Third Gears Only

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Second and Third Gears 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
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