Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

P0030, P0036, P0050 or P0056

The engine control module detects an open in the heater circuit of the heated oxygen sensor when the heater is commanded OFF for greater than 13 s.

P0031, P0037, P0051 or P0057

The engine control module detects a short to ground in the heater circuit of the heated oxygen sensor when the heater is commanded OFF for greater than 13 s.

P0032, P0038, P0052 or P0058

The engine control module detects a short to voltage in the heater circuit of the heated oxygen sensor when the heater is commanded ON for greater than 13 s.

P0053, P0054, P0059 or P0060

The ECM detects the heated oxygen sensor heater is not within a specified resistance range at engine start-up for greater than 1 second.

P0135 or P0155

The ECM detects that the HO2S 1 heater current is greater than 4.3 amps or less than 0.4 amps for greater than 10 seconds.

P0141 or P0161

The ECM detects that the HO2S 2 heater current is greater than 4.3 amps or less than 0.4 amps for greater than 10 seconds.