Conditions for Setting the DTC

P0131

• The ECM detects that the HO2S1 voltage parameter is less than 50mV.
• DTC P0131 sets within 50s when the above condition is met.

P0132

• The ECM detects that the HO2S1 voltage parameter is more than 1,050mV.
• DTC P0132 sets within 15s when the above condition is met.

P0134

• The ECM detects that the HO2S1 voltage is greater than 1,700mV.
• DTC P0134 sets within 100s when the above conditions are met.

P0137

• The ECM detects that the HO2S2 voltage parameter is less than 50mV.
• DTC P0137 sets within 50s when the above condition is met.

P0138

• The ECM detects that the HO2S2 voltage parameter is more than 1,050mV.
• DTC P0138 sets within 15s when the above condition is met.

P0140

• The ECM detects that the HO2S2 voltage is greater than 1,700mV.
• DTC P0140 sets within 25s when the above conditions are met.

P2A00

• The ECM detects that the engine is operating in Open Loop.
• DTC P2A00 sets within 50s when the above condition is met.