Test Conditions
WARNING: This page is about a different car, the 1995 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Codes P021, P022, P027, P056 and P090 not set. TCC brake switch not applied. Engine running at 500 RPM or greater. Two seconds have passed since ignition was turned on. Traction control not active. Throttle position 15.7 degrees or greater.