Conditions for Setting the DTC
WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- For DTC P0483 is the difference between commanded and actual cooling fan speed is greater than 1000 RPM for 100 seconds.
- For DTC P0493 the cooling fan RPM is greater than 6800 RPM.