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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) >> First and Second Gears Only

First and Second 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.
First and Second Gears Only

Check Causes
DEFINITION: The transmission only provides first and second gear in Drive range.
Control Valve Body Accumulator Assembly
  • 2-3 SS valve stuck
  • 2-3 shift valve stuck applied
  • Spacer plate or gaskets are mispositioned or damaged