Conditions For Running The DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0502, P0503, P0719, P0724, P1575 and P1602 not set.
Traction control and anti-lock brake systems have not failed.
Traction control and anti-lock brake systems are not active.
Non-drive wheel speed goes above 20 MPH (32 KM/H) and then doesn't go below 4 MPH (7 KM/H).