Mitsubishi codes P1603

Have the battery tested, this code indicates low battery voltage detected during starting.

Here's a link to the code P1603 Vincent. P1603 Code General

P0171 System too Lean (Bank 1)
P0174 System too Lean (Bank 2)
P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)

Have to Google all Vehicle Codes
OBD P1603

DTC P1603 - Loss of SDM Serial Data



Sugiero visitar al dealer o representante de la marca, puede tratarse de un problema de perdida de informacion en la Unidad/Modulo de Control (computador) del vehiculo; adicionalmente verifique que los conectores esten correctamente instalados.

CODE P1603 - ENGINE STALLS

this is an obd2 trouble code table ,it can help you understand the meaning of code.

idele position sensor

There is a power supply to the ecu that is missing either permanantly or interrmitently, it may be as simple as a fuse, or it may have a bad connection in a loom plug or a broken wire...