Using Scan Tool
WARNING: This page is about a different car, the 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2001 Chevrolet Monte Carlo, and 2001 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Set all tire pressures to manufacturer's specifications. Connect scan tool to Data Link Connector (DLC). Turn ignition switch to RUN position. Using scan tool, select SPECIAL FUNCTIONS. Select TIM RESET and press RESET soft key. Use scan tool to clear TPM DTC.