Conditions for Setting the DTC
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
The fuel pump driver control module detects a difference of ± 60 kPa at 400 kPa request or ±45 kPa at 300 kPa request between the desired fuel pressure and the actual fuel pressure for approximately 10 s.