Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The actual FRP is less than 0.0 MPa at 0-400 RPM.
OR
The actual FRP is less than 22.5 MPa at more than 600 RPM.