2001 Dodge Ram 1500 4x4 Pickup 5.9L Engine P0443 Code - What Does STC Fail Mean in Evaporative Emission System?
What does 'STC-Fail' mean when displayed on a code reader for the 2001 Dodge Ram 1500 4x4 Pickup with a 5.9L engine? The fault code P0443 is related to the evaporative emission system, specifically indicating a failure in the secondary air control (STC) component.
STS-Fail refers to Secondary Tank Control failure in the evaporative emissions system, which may require inspection of the purge valve or canister.