P0403 Chrysler -

Question

pO403 does not stay erased. Returns immediately when key is turned to on position. Both EGR and Catalytic Converter have been changed on this 2005 Chrysler T & C with 3.8 engine and 126,000 miles.

Answer 1

Hi there,

It is likely a wiring issue causing this code since you've replaced the EGR. Here is some more info for you.

P0403 CHRYSLER - Exhaust Gas Recirculation Control Circuit Open

Read more: https://www.autocodes.com/p0403_chrysler.html