Conditions for Running the DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0502, P0503, P0719, and P0724 are not set.
The engine speed is greater than 700 RPM.
The traction control system or the antilock brake system are not active and have not failed.
The vehicle speed is greater than 48 km/h (30 mph) in order to enable the diagnostic.
The diagnostic will disable when the wheel speed is less than 16 km/h (10 mph).