Test Conditions
WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
Codes P021, P022, P024, P056 and P075 not set. Engine running and vehicle speed at 7 MPH or greater. Throttle position at 11 degrees or greater. Transaxle not in Park or Neutral and commanded transaxle line pressure 100 psi or greater.