Conditions for Setting the DTC: P0451
WARNING: This page is about a different car, the 2008 Suzuki Swift +, 2008 Pontiac Wave, and 2008 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
The ECM detects the FTP sensor voltage is less than 0.58 volt within 13 seconds after start up.