Conditions for Setting the DTC
WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
P0806
The CPP sensor voltage is stuck in range.
P0807
The CPP sensor signal voltage is less than 0.2 V.
P0808
The CPP sensor signal voltage is greater than 4.8 V.