Conditions for Setting the DTC: P1A92
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
APM temperature sensor output voltage is greater than 4.6 volts (-14 degrees Celsius or 6.8 degrees Fahrenheit) and APM temperature is greater than 55 degrees Celsius (131 degrees Fahrenheit) for 1 second.