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, P026 and P027 not set. Transaxle in Drive or Reverse. Brakes not applied, throttle position switch open, throttle angle at 17.3 degrees or greater, and engine speed at 1400 RPM or greater.