Diagnostic Aids: C0298
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
A requested torque signal malfunction is only one possible cause for the PCM to lose the ability to perform traction control. DTC C0298 may set due to engine overheating, loss of ignition timing control by the PCM, etc. If DTC P1571 is not set, refer to Diagnostic Trouble Code (DTC) List in Engine Controls - 4.2L in order to identify other possible causes of DTC C0298.