Trouble code P0389 means:Crankshaft position sensor B circuit intermittent
Check the trans for codes with a scanner and diagnose the code you get.
Trouble code P0544 means:Exhaust gas temperature sensor circuit (Bank 1)
HO2Sensor
Check Engine code of P0404 (EGR)
evap system
Faulty fuel injector.......had to replace 2 on my 2000 Intrepid...Good Luck
Trouble code P0440 means: EVAP Purge System Fault Trouble code P0441 means: EVAP Purge Flow Monitor Fault
cooling thermostat
The airbag computer has detected a malfunction and set a code.
P0731 Gear I Incorrect ratio
Trouble code P0440 means: EVAP Purge System Fault
code 66 is a non specific communications failure between computers