Conditions for Setting the DTC: P0154
WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the HO2S 1 parameter is between 350-550 mV for 100 seconds.
- The Throttle Position (TP) Indicated Angle parameter changes more than 5 percent, 1 time.
- DTC P0154 sets within 100 seconds when the above conditions are met.