Conditions for Running the DTC
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0036, P0037, P0038, P0137, P0138, P0140, P0141, P0443, P0458, P0459, P2232 are not set.
- The ignition 1 voltage is between 10-18 volts.
- The engine run time is greater than 5 minutes.
- The engine speed is between 1,100-2,500 RPM.
- The mass air flow (MAF) is between 3-20 g/s.
- The vehicle speed is between 50-120 km/h (31-75 mph).
- The fuel level is greater than 10 percent.
- The fuel system is in Closed Loop.
- The catalytic converter temperature is between 550-900°C (1,022-1,652°F).
- The DTCs run once per ignition cycle when the above conditions are met.