DTC Parameters
WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition on or engine running.
- Battery voltage more than 5.25 volts.
- DTC P1639 is not set.
DTC sets if APP sensor 2 signal voltage is less than 0.13 volt or more than 4.87 volts.