Conditions for Setting the DTC
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0131, P0137, P0151, or P0157
- The ECM detects that the HO2S voltage is less than 50 mV.
- The DTCs set within 100 s when the above condition is met.
P0132, P0138, P0152, or P0158
- The ECM detects that the HO2S voltage is greater than 1,050 mV.
- The DTCs set within 15 s when the above condition is met.