For Chrysler products, P1684 means the battery to the pcm(powertrain control module)has been disconnected within the last 50 start cycles. The easiest definition for a start cycle is the car is started from a cold start and warmed to operatin temperture.
Code 11 is " No crank reference signal at PCM"
Trouble code P1782 means: Pressure switch circuit: 2-4
code 144
do you mean the door or ignition?
That means you have a code related to the tranmission make a troubleshooting and reset the code
CHAn9E code
possibly Over Drive Button ??? just a guess
Trouble code P0403 means:Exhaust gas recirculation circuit malfunction
Trouble code P0441 means: EVAP Purge Flow Monitor Fault
Code 37 is for a malfunction in the torque converter clutch circuit.
Trouble code P0562 means:System voltage low
it is oem and ecm on 2002 dodge caravan Internal computer failure.