Conditions For Running DTC
WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- DTCs P0335, P0336, P0341, or P1345 are not set.
- The engine coolant temperature is more than 149°F (65°C).