Conditions for Setting the DTC: P0140
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 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 410-490 mV.
- The TP Indicated Angle parameter changes more than 5 percent 6 times.
- DTC P0140 sets within 100 seconds when the above conditions are met.