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.

The heated seat sensor signal circuit voltage to the seat module is greater than 4.94 volts for 30 seconds or more.
The heated seat sensor signal circuit voltage to the seat module is less than.07 volts for 30 seconds or more.
The heated seat sensor signal circuit input to the seat module indicates that the desired seat temperature has not been reached within 34 minutes after activation.