Conditions for Setting the DTC
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects the voltage on the EVAP canister purge valve control circuit is between 2.6-4.6 volts when the driver is commanded OFF.
- The condition exists for less than 1 second.