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.

The engine speed is less than 40 RPM.
The vehicle speed is 0 km/h (0 mph).
The engine coolant temperature (ECT) is between 5-60°C (41-140°F).
The intake air temperature (IAT) is between 5-60°C (41-140°F).
The accelerator pedal position (APP) sensor angle is less than 14.9 percent.
The ignition 1 voltage is more than 10 volts.
DTC P2176 run continuously once the above conditions are met for more than 5 seconds.