Conditions For Setting DTC
WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
The APP sensor 1 disagrees with APP sensor 2 by more than 10.5 percent, or the APP 1 signal is shorted to the APP 2 signal.