What is code P0420 dodge caravan?
What is code P0420 dodge caravan? As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). What does p0404 stand for on a Dodge Caravan? With the Dodge Caravan, P0404 is going to have the same meaning as it would in any other vehicle. It’s a generic powertrain code that stands for: P0404: EGR Circuit → Range/Performance. What does the P0420 code on a car mean? Check for damaged components and look for broken, bent, pushed...