Conditions for Setting the DTC: P0138
WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
- The HO2S 2 voltage is more than 924 mV for at least 540 out of 600 samples for 2 sets of samples. Each sample is 100 ms.
- This diagnostic runs continuously.