Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0030 or P0036

The engine control module detects an open in the heater circuits of the HO2S when the heater is commanded OFF for greater than 6 s.

P0031 or P0037

The engine control module detects a short to ground in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded OFF for greater than 6 s.

P0032 or P0038

The engine control module detects a short to voltage in the heater output low side driver circuit of the heated oxygen sensor when the heater is commanded ON for greater than 6 s.

P0053 or P0054

The ECM detects the HO2S heater is not within a specified resistance range at engine start-up.

P0135 or P0141

The ECM detects that the HO2S heater current is greater than 2.5 A or less than 0.3 A for greater than 10 s.

P103B

The heater supply circuit is not within 2 V of the ignition voltage for greater than 3 s

P103C

The ECM detects the HO2S heater supply voltage is less than 6 V for greater than 3 s.