Conditions for Running the DTC
WARNING: This page is about a different car, the 2004 Buick Rendezvous. 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.
- DTCs P0101, P0102, P0103, P0112, P0113, P0117, P0118, P0125, P0128, P0443, P0446, P0449, P0451, P0452, P0453, P0458, P0459, P0496, P0498, P0499, P0560, P0562, P0563, P0700, P2228, and P2229 are not set.
- The Ignition 1 voltage is more than 11 volts.
- A refueling event is not detected.
- The fuel volatility is not excessive.
- The ambient air temperature is between 2° C (36° F) and 32° C (90° F).
- The start-up intake air temperature (IAT) is between 2° C (36° F) and 32° C (90° F).
- The start-up engine coolant temperature (ECT) is less than 40° C (104° F) and within 10° C (50° F) of the IAT.
- The engine coolant temperature is more than 74° C (165° F) at engine off.
- The barometric pressure (BARO) is more than 68 kPa.
- The fuel level is between 12 and 88 percent.
- The engine run time is more than 10 minutes.
- The vehicle traveled more than 8 km (5 miles) with vehicle speed above 3.2 km/h (2 mph).
- The vehicle odometer displays more than 20 km (12.5 miles).
- DTC P0442 runs once per ignition OFF cycle when the above conditions are met prior to engine shut-down.