GM Service Manual Online
For 1990-2009 cars only

Probable Cause

Action

The gear select (skip shift) solenoid circuit is not functioning properly, or the gear select (skip shift) solenoid is defective: SECOND and THIRD gears only.

  1. Inspect the function of the gear select (skip shift) solenoid circuit.
  2. Inspect the function of the gear select (skip shift) solenoid.
  3. Repair or replace components as necessary.
  4. • For inspection of the gear select (skip shift) solenoid circuit and the gear select (skip shift) solenoid function, refer to DTC P0803 in Engine Controls.
    • For the gear select (skip shift) solenoid replacement procedure, refer to Gear Select/Skip Shift Solenoid Replacement .

The transmission shift control is worn, binding or damaged.

  1. Remove the transmission shift control.
  2. Inspect the transmission shift control and replace if necessary.

Refer to Shift Control Assembly Replacement .

Worn, damaged or incorrectly assembled selector plates, interlock plate, or selector arm.

  1. Remove the transmission.
  2. Refer to Transmission Replacement .

  3. Disassemble and inspect the transmission.
  4. Replace worn or damaged components as necessary.

Refer to the Transmission Disassemble Transmission Unit Repair Manual.

Damaged or worn synchronizer sleeves or hubs.

  1. Remove the transmission.
  2. Refer to Transmission Replacement .

  3. Disassemble and inspect the transmission.
  4. Replace worn or damaged components as necessary.

Refer to the Transmission Disassemble Transmission Unit Repair Manual.