Conditions for Running the DTC

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: The following conditions must be met prior to the ignition OFF test.

DTC P0100, P0101, P0102, P0103, P0111, P0112, P0113, P0116, P0117, P0118, P0119, P0125, P0128, P0443, P0446, P0449, P0451, P0452, P0453, P0455, P0458, P0459, P0496, P0497, P0498, P0499, P0560, P0562, P0563, P0700, P2227, P2228, or P2229 is not set.
The ignition voltage is greater than 11 volts.
A refueling event is not detected
The fuel volatility is not excessive.
The ambient air temperature (AAT) is between 2-32°C (35-90°F).
The engine coolant temperature (ECT) is less than 42°C (108°F) at start-up.
The ECT and the IAT are within 10°C (18°F) of each other at engine start-up.
The barometric pressure (BARO) is greater than 68 kPa.
The engine coolant temperature (ECT) during the previous ignition was greater than 74°C (165°F).
The fuel level is between 12-88 percent.
The vehicle traveled greater than 8 km (5 mi).
The engine run time is greater than 10 minutes.
DTC P0442 runs once per engine off cycle when the above conditions have been met prior to engine shut down.