Trouble code P0446 means:Evaporative emission control system vent control circuit malfunction
What does obd code P0740 mean
What does a code 212 mean on a OBD 1 mustang
OBD code P1127 mean Exhaust not warm enough.
o2 sensor
According to Repair Pal, Code P0446 indicates that there is an improper voltage drop in the EVAP Vent Valve circuit, which can be caused by either too little or too much electrical resistance.
Trouble code P0783 means: 3-4 Shift
Cylinder #2 misfire detected.
Trouble code P0174 means:System too lean (Bank 2)
P1017= Ecm internal fault.
Evap Leak
It's transmission related.
what car??find your car on this site and i am sure you will find the code. http://www.troublecodes.net