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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 138 (Engine Controls And Fuel - 3.6L (LGX) - Diagnostic Information And Procedures (P0010-P0446)) >> Diagnostic Information and Procedures >> DTC P0030-P0032, P0036-P0038, P0050-P0054, P0056-P0060, P0135, P0141, P0155, P0161, P103B, or P103C >> Conditions for Setting the DTC

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