Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
Trouble code P0401 means:Exhaust gas recirculation flow insufficient detected
A/T Transmission Relay Output Always Off
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
If both are 3.3 yes they will swap.
It means that the engine computer has detected a malfunction and set a trouble code, you need to have it checked for codes.
Yes, since you asked about the same year and engine for both.
A 1999 Dodge Caravan does not have a mass airflow sensor.
www.Autozone.com
It does not have one.
YesYes
No, the bell housing pattern is different.
Red is positive (+).