QG18DE (Except Calif. CA Model)

A/T Does Not Shift: D3 -> D4

Steps 1 - 2:

Steps 3 - 5:

Steps 6 - 7:

SYMPTOM:
- A/T does not shift from D3 to D4 at the specified speed.
- A/T must be warm before D3 to D4 shift will occur.