Conditions for Setting the DTC
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
P0030, P0036, P0050, P0056
Control Circuit = Open - For greater than 7 s
P0031, P0037, P0051, P0057
Control Circuit = Short to Ground - For greater than 7 s
P0032, P0038, P0052, P0058
Control Circuit = Short to Voltage - For greater than 7 s
P0053, P0054
HO2S Heater Resistance 8 to 15 ohms Per cold start-up
P0059, P0060
HO2S Heater Resistance 3.5 to 8.5 ohms Per cold start-up
P0135, P0141
HO2S Heater Current 0.3 to 2.5 A - For greater than 10 s
P0155, P0161
HO2S Heater Current 0.3 to 3.1 A - For greater than 5 s
P103B, P103C
HO2S Heater Supply Voltage Within 2 V of the battery voltage - For greater than 3 s