Conditions for Running the DTC

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

Before the ECM can report DTC P2196 failed, DTCs P0030, P0031, P0032, P0036, P0037, P0038, P0053, P0101, P0130, P0131, P0132, P0133, P0135, P0137, P0138, P0140, P0141, P167A, P2231, P2237, P2243, P2251, P2270, P2271, P2297 and P2626 must run and pass.
The front and rear HO2S are at operating temperature.
The HO2S 2 voltage signal is greater than 150 mV.
The HO2S 1 is greater than 0.92 lambda.
The Loop Status of both the front and rear sensor is Closed Loop.
DTC P2196 runs continuously once the above conditions are met.